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多肽

肽是由两个或两个以上氨基酸通过脱水缩合形成的化合物。最简单的肽由两个氨基酸构成,称为二肽;包含多个氨基酸的肽则被称为多肽。通常情况下,含有50个及以上氨基酸单位的多肽,则归类为蛋白质。肽广泛存在于动物、植物和微生物中,在生物体内的生长发育、细胞分化、大脑活动、肿瘤病变、免疫防御、生殖控制以及抗衰老等方面都扮演着重要角色。

例如,谷胱甘肽是某些酶的重要辅基,参与体内氧化还原反应;多种激素如催产素、加压素、胰高血糖素及促肾上腺皮质激素等,均属于多肽类,通过调节机体代谢发挥作用。下丘脑分泌的激素调节因子也是由多肽构成,控制着其他内分泌腺释放激素的过程。

近年来,在高等动物的大脑中发现了具有镇痛作用的脑啡肽(五肽)。许多抗生素如多粘菌素、短杆菌肽等也是肽类物质,具备强大的抗菌能力。此外,多肽是指通过肽键连接形成的一系列氨基酸单位构成的长链结构。一般而言,含有数十个或更少氨基酸单位的多肽称为肽;而更多氨基酸单位组成的则被称为蛋白质。

在命名时,通常按照从氨基末端(N端)到羧基末端(C端)的顺序书写。如Ser·Gly·Try·Ala·Leu这个五肽由5个氨基酸残基和4个肽键组成,命名为丝氨酰甘氨酰酪氨酰丙氨酰亮氨酸。

肽广泛存在于动植物组织中,并且其中许多具有特殊生物活性的功能性肽统称为生物活性肽。近年来的研究表明,几乎所有重大生命科学理论——包括免疫防御、生殖控制、肿瘤病变和抗衰防老等——均涉及相关的活性肽,这些理论与临床医学实践密切相关,因此生物活性肽在实际应用中也具有重要价值。

生物活性肽种类繁多,例如促肾上腺皮质激素为39肽,催产素为九肽,而两种重要的脑啡肽均为五肽。许多抗菌素也是由肽类物质构成的。生长因子则受控于基因,在细胞发育过程中起到调节和控制作用。表皮生长因子含有50个氨基酸残基,神经生长因子则由118个氨基酸组成。

中文名称 英文名称 CAS号 化学式 结构式图片
—— H-Gly-Glu-Ile-Gln-Leu-Lys-Gly-Glu-Ile-Val-OH —— C48H84N12O16
H-Gly-Glu-Ile-Gln-Leu-Lys-Gly-Glu-Ile-Val-OH
—— H-Cys-Pro-Ser-Ala-Asn-Asn-Ser-Thr-Gly-Cys-Gly-OH —— C36H59N13O17S2
H-Cys-Pro-Ser-Ala-Asn-Asn-Ser-Thr-Gly-Cys-Gly-OH
—— H-Ser-Leu-Leu-Asn-Ala-Thr-Asp-Ile-Ala-Val-OH —— C44H77N11O16
H-Ser-Leu-Leu-Asn-Ala-Thr-Asp-Ile-Ala-Val-OH
—— H-Gly-Thr-Ile-Lys-Phe-Thr-Gly-Glu-Ile-Val-OH —— C49H81N11O15
H-Gly-Thr-Ile-Lys-Phe-Thr-Gly-Glu-Ile-Val-OH
—— H-Pro-Leu-Val-Cys-Asn-Gly-Val-Leu-Gln-Gly-Val-OH —— C48H83N13O14S
H-Pro-Leu-Val-Cys-Asn-Gly-Val-Leu-Gln-Gly-Val-OH
—— H-Cys-Phe-Pro-Pro-Pro-Lys-Gly-Gly-Gly-Cys-OH —— C42H63N11O11S2
H-Cys-Phe-Pro-Pro-Pro-Lys-Gly-Gly-Gly-Cys-OH
—— H-Pro-Gly-Leu-Pro-Leu-Ser-Leu-Gln-Asn-Gly-OH —— C44H74N12O14
H-Pro-Gly-Leu-Pro-Leu-Ser-Leu-Gln-Asn-Gly-OH
—— H-Cys-Asp-Gly-Gly-Trp-Leu-Ser-Lys-Gly-Ser-Trp-Cys-OH —— C56H79N15O17S2
H-Cys-Asp-Gly-Gly-Trp-Leu-Ser-Lys-Gly-Ser-Trp-Cys-OH
—— H-Cys-Gly-Arg-Leu-Lys-Met-Val-Pro-Asp-Leu-Glu-Cys-OH —— C56H98N16O17S3
H-Cys-Gly-Arg-Leu-Lys-Met-Val-Pro-Asp-Leu-Glu-Cys-OH
—— 5-[[1-[[2-[[1-[[1-[[1-[[1-[2-[[1-[[3-[(2S,5R,6S)-3-acetamido-4-[(2R,5S,6S)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1-[[5-carbamimidamido-1-oxo-1-[2-(3-oxobutan-2-ylcarbamoyl)pyrrolidin-1-yl]pentan-2-yl]amino]-1-oxobutan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]carbamoyl]pyrrolidin-1-yl]-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-[(2S,5R,6S)-3-acetamido-5-hydroxy-6-(hydroxymethyl)-4-[(2R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-1-oxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-2-oxoethyl]amino]-3-(1H-imidazol-4-yl)-1-oxopropan-2-yl]amino]-5-oxo-4-[[2-(5-oxohexanoylamino)-3-phenylpropanoyl]amino]pentanoic acid —— C101H156N22O43
5-[[1-[[2-[[1-[[1-[[1-[[1-[2-[[1-[[3-[(2S,5R,6S)-3-acetamido-4-[(2R,5S,6S)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-1-[[5-carbamimidamido-1-oxo-1-[2-(3-oxobutan-2-ylcarbamoyl)pyrrolidin-1-yl]pentan-2-yl]amino]-1-oxobutan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]carbamoyl]pyrrolidin-1-yl]-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-[(2S,5R,6S)-3-acetamido-5-hydroxy-6-(hydroxymethyl)-4-[(2R,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-2-yl]oxy-1-oxobutan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-2-oxoethyl]amino]-3-(1H-imidazol-4-yl)-1-oxopropan-2-yl]amino]-5-oxo-4-[[2-(5-oxohexanoylamino)-3-phenylpropanoyl]amino]pentanoic acid
—— [(2S,3R)-1-[[(1S,6S,9S,15S,18S,21S,24S,25R,29S,32S,37S)-15-benzyl-37-carboxy-32-(1H-indol-3-ylmethyl)-25-methyl-21-(2-methylpropyl)-3,8,14,17,20,23,27,30,33,35,39,46-dodecaoxo-4,26-dioxa-7,13,16,19,22,31,34,36,40,45-decazatetracyclo[16.16.10.26,29.09,13]hexatetracontan-24-yl]amino]-3-hydroxy-1-oxobutan-2-yl]azanium —— C60H80N13O18+
[(2S,3R)-1-[[(1S,6S,9S,15S,18S,21S,24S,25R,29S,32S,37S)-15-benzyl-37-carboxy-32-(1H-indol-3-ylmethyl)-25-methyl-21-(2-methylpropyl)-3,8,14,17,20,23,27,30,33,35,39,46-dodecaoxo-4,26-dioxa-7,13,16,19,22,31,34,36,40,45-decazatetracyclo[16.16.10.26,29.09,13]hexatetracontan-24-yl]amino]-3-hydroxy-1-oxobutan-2-yl]azanium
—— (1S,6S,9S,15S,18S,21S,24S,25R,29S,32S,37S)-24-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-15-benzyl-32-(1H-indol-3-ylmethyl)-25-methyl-21-(2-methylpropyl)-3,8,14,17,20,23,27,30,33,35,39,46-dodecaoxo-4,26-dioxa-7,13,16,19,22,31,34,36,40,45-decazatetracyclo[16.16.10.26,29.09,13]hexatetracontane-37-carboxylic acid —— C60H79N13O18
(1S,6S,9S,15S,18S,21S,24S,25R,29S,32S,37S)-24-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-15-benzyl-32-(1H-indol-3-ylmethyl)-25-methyl-21-(2-methylpropyl)-3,8,14,17,20,23,27,30,33,35,39,46-dodecaoxo-4,26-dioxa-7,13,16,19,22,31,34,36,40,45-decazatetracyclo[16.16.10.26,29.09,13]hexatetracontane-37-carboxylic acid
—— Bacitracin, United States PharmacopeiaReference Standard —— C66H103N17O16S
Bacitracin, United States PharmacopeiaReference Standard
—— H-Ile-Asn-Leu-Lys-Ala-Leu-Ala-Ala-Leu-Ala-Orn-Ala-Leu-Leu-NH2 —— C66H122N18O15
H-Ile-Asn-Leu-Lys-Ala-Leu-Ala-Ala-Leu-Ala-Orn-Ala-Leu-Leu-NH2
—— Ranatuerin-6 —— C67H109N15O15S
Ranatuerin-6
—— NH2-Ile-Ala-Asp-Arg-Pro-Arg-Ala-Trp-Ile-Gly-Ser-Pro-COOH —— C60H95N19O16
NH2-Ile-Ala-Asp-Arg-Pro-Arg-Ala-Trp-Ile-Gly-Ser-Pro-COOH
—— NH2-E-D-V-V-Abu-Nal-S-Abu-S-Y-OH —— C56H80N10O18
NH2-E-D-V-V-Abu-Nal-S-Abu-S-Y-OH
—— H-His-Lys-Ala-Arg-Val-Leu-Phe(4-NO2)-Glu-Ala-Nle-Ser-NH2 —— C58H95N19O16
H-His-Lys-Ala-Arg-Val-Leu-Phe(4-NO2)-Glu-Ala-Nle-Ser-NH2
—— N2-(6-Methyl-1-oxoheptyl)-L-2,4-diaminobutanoyl-L-threonyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-D-leucyl-L-leucyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-threonine (10->4)-lactam —— C52H98N16O13
N2-(6-Methyl-1-oxoheptyl)-L-2,4-diaminobutanoyl-L-threonyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-D-leucyl-L-leucyl-L-2,4-diaminobutanoyl-L-2,4-diaminobutanoyl-L-threonine (10->4)-lactam
—— H-Asn-Met-Trp-Gln-Lys-Val-Gly-xiThr-Pro-Leu-OH —— C53H84N14O14S
H-Asn-Met-Trp-Gln-Lys-Val-Gly-xiThr-Pro-Leu-OH
—— H-His-Ser-Asp-Ala-Val-Phe-xiThr-Asp-Asn-Tyr-xiThr-OH —— C55H76N14O21
H-His-Ser-Asp-Ala-Val-Phe-xiThr-Asp-Asn-Tyr-xiThr-OH
—— H-Pro-Leu-Arg-Arg-xiThr-Leu-Ser-Val-Ala-Ala-OH —— C47H86N16O13
H-Pro-Leu-Arg-Arg-xiThr-Leu-Ser-Val-Ala-Ala-OH
—— N/Ofq-(1-13)-NH2 —— C61H100N22O15
N/Ofq-(1-13)-NH2
—— Wtlnsagyll-conh2 —— C54H81N13O14
Wtlnsagyll-conh2
—— 2-13-Orphanin FQ (swine),N-[(2S)-2-amino-3-phenylpropyl]-13-L-lysinamide- —— C61H102N22O14
2-13-Orphanin FQ (swine),N-[(2S)-2-amino-3-phenylpropyl]-13-L-lysinamide-
—— Galanin-1-11-NH..2.. —— C56H84N14O15
Galanin-1-11-NH..2..
—— NH2-Ala-Leu-Trp-Met-Thr-Leu-Leu-Lys-Lys-Val-Leu-Lys-Ala-Ala-Ala-Lys-NH2 —— C85H150N22O17S
NH2-Ala-Leu-Trp-Met-Thr-Leu-Leu-Lys-Lys-Val-Leu-Lys-Ala-Ala-Ala-Lys-NH2
—— Aplaadaptacc —— C45H74N12O16S2
Aplaadaptacc
—— Aalaadtptacc —— C44H74N12O17S2
Aalaadtptacc
—— Aplaadtatacc —— C44H74N12O17S2
Aplaadtatacc
—— NH2-Lys-Gln-Thr-Glu-Asn-Leu-Ala-Asp-Thr-Tyr-COOH —— C50H79N13O20
NH2-Lys-Gln-Thr-Glu-Asn-Leu-Ala-Asp-Thr-Tyr-COOH
—— Aplaaatptacc —— C45H76N12O15S2
Aplaaatptacc
—— Aplaadtpaacc —— C45H74N12O16S2
Aplaadtpaacc
—— Apaaadtptacc —— C43H70N12O17S2
Apaaadtptacc
—— H-Asp-Phe-Glu-Ala-Ile-Pro-Ala-Glu-Tyr(SO3H)-Leu-OH —— C55H78N10O21S
H-Asp-Phe-Glu-Ala-Ile-Pro-Ala-Glu-Tyr(SO3H)-Leu-OH
—— H-D-Tyr-Pro-Ser-Lys-Pro-Asp-Asn-Pro-Gly-Glu-Asp-Ala-Pro-Ala-Glu-Asp-Met-Ala-Arg-Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Ile-Thr-Arg-Gln-Arg-Tyr-NH2 —— C189H285N55O57S
H-D-Tyr-Pro-Ser-Lys-Pro-Asp-Asn-Pro-Gly-Glu-Asp-Ala-Pro-Ala-Glu-Asp-Met-Ala-Arg-Tyr-Tyr-Ser-Ala-Leu-Arg-His-Tyr-Ile-Asn-Leu-Ile-Thr-Arg-Gln-Arg-Tyr-NH2
—— (2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-4-methylpentanoyl]amino]-6-[[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrole-2-carbonyl]amino]hexanoyl]amino]-3-hydroxybutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-4-oxobutanoyl]amino]pentanedioic acid —— C55H87N17O16
(2S)-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-4-methylpentanoyl]amino]-6-[[(2R,3R)-3-methyl-3,4-dihydro-2H-pyrrole-2-carbonyl]amino]hexanoyl]amino]-3-hydroxybutanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-4-oxobutanoyl]amino]pentanedioic acid
—— Ac-VTHRLAGLLSRSGGVVKNNFVPTDVGPFAF-NH2 —— C146H230N42O39
Ac-VTHRLAGLLSRSGGVVKNNFVPTDVGPFAF-NH2
—— Qrfctgafgglypcngp —— C79H114N22O22S2
Qrfctgafgglypcngp
—— (2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-3-(1H-indol-3-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-hydroxypropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]propanoyl]amino]-3-hydroxypropanoyl]amino]-6-aminohexanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid —— C91H139N31O19
(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-acetamido-3-(1H-indol-3-yl)propanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-3-hydroxypropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]propanoyl]amino]-3-hydroxypropanoyl]amino]-6-aminohexanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-4-methylpentanoyl]amino]propanoyl]amino]-5-(diaminomethylideneamino)pentanoic acid
—— (4S)-5-[[(3S,6S,9S,12S,21S)-21-[[(2S)-1-[[(2S)-1-[[(2S,3S)-1-[[(3S,6S,9S,12S,21S)-21-[[2-[[(2S)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-2-oxoethyl]carbamoyl]-9-(1H-indol-3-ylmethyl)-6-(2-methylpropyl)-2,5,8,11,15-pentaoxo-3-propan-2-yl-1,4,7,10,16-pentazacyclohenicos-12-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]carbamoyl]-9-(3-amino-3-oxopropyl)-3,6-dimethyl-2,5,8,11,15-pentaoxo-1,4,7,10,16-pentazacyclohenicos-12-yl]amino]-4-[[(2S,5S,8S,11S,20S)-20-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]acetyl]amino]-3-hydroxybutanoyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-2,5-bis(hydroxymethyl)-8-[(4-hydroxyphenyl)methyl]-3,6,9,17,21-pentaoxo-1,4,7,10,16-pentazacyclohenicosane-11-carbonyl]amino]-5-oxopentanoic acid —— C154H225N41O48
(4S)-5-[[(3S,6S,9S,12S,21S)-21-[[(2S)-1-[[(2S)-1-[[(2S,3S)-1-[[(3S,6S,9S,12S,21S)-21-[[2-[[(2S)-1-amino-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-2-oxoethyl]carbamoyl]-9-(1H-indol-3-ylmethyl)-6-(2-methylpropyl)-2,5,8,11,15-pentaoxo-3-propan-2-yl-1,4,7,10,16-pentazacyclohenicos-12-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]carbamoyl]-9-(3-amino-3-oxopropyl)-3,6-dimethyl-2,5,8,11,15-pentaoxo-1,4,7,10,16-pentazacyclohenicos-12-yl]amino]-4-[[(2S,5S,8S,11S,20S)-20-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S,3R)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]-4-carboxybutanoyl]amino]acetyl]amino]-3-hydroxybutanoyl]amino]-3-phenylpropanoyl]amino]-3-hydroxybutanoyl]amino]-3-hydroxypropanoyl]amino]-3-carboxypropanoyl]amino]-2,5-bis(hydroxymethyl)-8-[(4-hydroxyphenyl)methyl]-3,6,9,17,21-pentaoxo-1,4,7,10,16-pentazacyclohenicosane-11-carbonyl]amino]-5-oxopentanoic acid
—— (2S,3S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-5-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-5-carbamimidamido-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-3-carboxy-2-[[(2S,3S)-2-[[(2S)-3-hydroxy-2-[[(2S,3S)-3-methyl-2-[[(2S)-1-[(2S)-1-[2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]acetyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]pentanoyl]amino]propanoyl]amino]-3-methylpentanoyl]amino]propanoyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]pentanoyl]amino]hexanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-5-oxopentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-5-oxopentanoyl]amino]-5-oxopentanoyl]amino]propanoyl]amino]propanoyl]amino]-4-oxobutanoyl]amino]-4-oxobutanoyl]amino]-5-carbamimidamidopentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxybutanoyl]amino]-3-methylpentanoic acid —— C208H349N55O61S
(2S,3S)-2-[[(2S,3R)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-4-amino-2-[[(2S)-4-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-5-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-5-amino-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-5-carbamimidamido-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-1-[(2S)-2-[[(2S)-3-carboxy-2-[[(2S,3S)-2-[[(2S)-3-hydroxy-2-[[(2S,3S)-3-methyl-2-[[(2S)-1-[(2S)-1-[2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]acetyl]pyrrolidine-2-carbonyl]pyrrolidine-2-carbonyl]amino]pentanoyl]amino]propanoyl]amino]-3-methylpentanoyl]amino]propanoyl]amino]-4-methylpentanoyl]pyrrolidine-2-carbonyl]amino]-4-methylpentanoyl]amino]-3-phenylpropanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]pentanoyl]amino]hexanoyl]amino]-4-methylsulfanylbutanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]-3-methylpentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-5-oxopentanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-4-carboxybutanoyl]amino]hexanoyl]amino]-5-oxopentanoyl]amino]-5-oxopentanoyl]amino]propanoyl]amino]propanoyl]amino]-4-oxobutanoyl]amino]-4-oxobutanoyl]amino]-5-carbamimidamidopentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]-3-carboxypropanoyl]amino]-3-hydroxybutanoyl]amino]-3-methylpentanoic acid
—— Fggftgarksarkkknq —— C82H137N29O22
Fggftgarksarkkknq
—— (2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3R)-2-[[(2S)-2-[[2-[[2-[[(2S)-2-amino-1-hydroxy-3-phenylpropylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxy-3-phenylpropylidene]amino]-1,3-dihydroxybutylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxypropylidene]amino]-5-carbamimidamido-1-hydroxypentylidene]amino]-1-hydroxyhexylidene]amino]-1,3-dihydroxypropylidene]amino]-1-hydroxypropylidene]amino]-5-carbamimidamido-1-hydroxypentylidene]amino]-1-hydroxyhexylidene]amino]-1-hydroxy-3-(4-hydroxyphenyl)propylidene]amino]-1-hydroxypropylidene]amino]-1,4-dihydroxy-4-iminobutylidene]amino]-5-hydroxy-5-iminopentanoic acid —— C82H127N27O23
(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3R)-2-[[(2S)-2-[[2-[[2-[[(2S)-2-amino-1-hydroxy-3-phenylpropylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxy-3-phenylpropylidene]amino]-1,3-dihydroxybutylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxypropylidene]amino]-5-carbamimidamido-1-hydroxypentylidene]amino]-1-hydroxyhexylidene]amino]-1,3-dihydroxypropylidene]amino]-1-hydroxypropylidene]amino]-5-carbamimidamido-1-hydroxypentylidene]amino]-1-hydroxyhexylidene]amino]-1-hydroxy-3-(4-hydroxyphenyl)propylidene]amino]-1-hydroxypropylidene]amino]-1,4-dihydroxy-4-iminobutylidene]amino]-5-hydroxy-5-iminopentanoic acid
—— (2S)-1-[2-[[(2S)-4-amino-2-[[(2R)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[2-[[2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3R)-2-[[(2R)-2-[[(2S)-2-[[(2S)-5-(diaminomethylideneamino)-2-[[(2S)-2,5-diamino-5-oxopentanoyl]amino]pentanoyl]amino]-3-phenylpropanoyl]amino]-3-methyl-3-sulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]acetyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-phenylpropanoyl]amino]acetyl]amino]acetyl]-methylamino]-4-methylpentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-sulfanylpropanoyl]amino]-4-oxobutanoyl]amino]acetyl]pyrrolidine-2-carboxylic acid —— C85H122N24O22S2
(2S)-1-[2-[[(2S)-4-amino-2-[[(2R)-2-[[(2S)-1-[(2S)-2-[[(2S)-2-[[2-[[2-[[(2S)-2-[[(2S)-2-[[2-[[(2S,3R)-2-[[(2R)-2-[[(2S)-2-[[(2S)-5-(diaminomethylideneamino)-2-[[(2S)-2,5-diamino-5-oxopentanoyl]amino]pentanoyl]amino]-3-phenylpropanoyl]amino]-3-methyl-3-sulfanylbutanoyl]amino]-3-hydroxybutanoyl]amino]acetyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]-3-phenylpropanoyl]amino]acetyl]amino]acetyl]-methylamino]-4-methylpentanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]pyrrolidine-2-carbonyl]amino]-3-sulfanylpropanoyl]amino]-4-oxobutanoyl]amino]acetyl]pyrrolidine-2-carboxylic acid
—— NH2-Thr-Asn-Ile-Lys-Thr-Glu-Glu-Ile-Ser-Glu-Val-Asn-Leu-Phe-Ala-Glu-Phe-Arg —— C95H150N24O32
NH2-Thr-Asn-Ile-Lys-Thr-Glu-Glu-Ile-Ser-Glu-Val-Asn-Leu-Phe-Ala-Glu-Phe-Arg
—— (4S)-4-amino-5-[[(2S)-1-[[(2S)-1-[[(2S)-4-amino-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-6-amino-1-[[2-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-2-oxoethyl]amino]-2-oxoethyl]amino]-1-oxohexan-2-yl]amino]-1-oxohexan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-1,4-dioxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-5-oxopentanoic acid —— C92H137N27O25
(4S)-4-amino-5-[[(2S)-1-[[(2S)-1-[[(2S)-4-amino-1-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-6-amino-1-[[2-[[2-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-2-oxoethyl]amino]-2-oxoethyl]amino]-1-oxohexan-2-yl]amino]-1-oxohexan-2-yl]amino]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-2-oxoethyl]amino]-1,4-dioxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-5-oxopentanoic acid
—— (2S)-2-[[[(2S)-1-[(2S)-6-amino-2-[[[(2S)-1-[(2R)-2-[[[(2S)-1-[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[(2-amino-1-hydroxyethylidene)amino]-1-hydroxy-3-(1H-indol-3-yl)propylidene]amino]-1,3-dihydroxybutylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1,4-dihydroxy-4-iminobutylidene]amino]-1,3-dihydroxypropylidene]amino]-1-hydroxypropylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxy-3-(4-hydroxyphenyl)propylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1-hydroxy-4-methylpentylidene]amino]acetyl]pyrrolidin-2-yl]-hydroxymethylidene]amino]-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]-hydroxymethylidene]amino]hexanoyl]pyrrolidin-2-yl]-hydroxymethylidene]amino]-N-[(2S)-1,5-dihydroxy-1-[(2R)-1-hydroxy-1-[(2S)-1-hydroxy-1-[(2R)-1-hydroxy-1-[(2S)-1-hydroxy-1-[(2S)-1-hydroxy-1-imino-4-methylpentan-2-yl]imino-4-methylpentan-2-yl]imino-3-(1H-indol-3-yl)propan-2-yl]imino-3-phenylpropan-2-yl]imino-3-(1H-indol-3-yl)propan-2-yl]imino-5-iminopentan-2-yl]pentanediimidic acid —— C138H199N35O30
(2S)-2-[[[(2S)-1-[(2S)-6-amino-2-[[[(2S)-1-[(2R)-2-[[[(2S)-1-[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S,3R)-2-[[(2S)-2-[(2-amino-1-hydroxyethylidene)amino]-1-hydroxy-3-(1H-indol-3-yl)propylidene]amino]-1,3-dihydroxybutylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1,4-dihydroxy-4-iminobutylidene]amino]-1,3-dihydroxypropylidene]amino]-1-hydroxypropylidene]amino]-1-hydroxyethylidene]amino]-1-hydroxy-3-(4-hydroxyphenyl)propylidene]amino]-1-hydroxy-4-methylpentylidene]amino]-1-hydroxy-4-methylpentylidene]amino]acetyl]pyrrolidin-2-yl]-hydroxymethylidene]amino]-5-carbamimidamidopentanoyl]pyrrolidin-2-yl]-hydroxymethylidene]amino]hexanoyl]pyrrolidin-2-yl]-hydroxymethylidene]amino]-N-[(2S)-1,5-dihydroxy-1-[(2R)-1-hydroxy-1-[(2S)-1-hydroxy-1-[(2R)-1-hydroxy-1-[(2S)-1-hydroxy-1-[(2S)-1-hydroxy-1-imino-4-methylpentan-2-yl]imino-4-methylpentan-2-yl]imino-3-(1H-indol-3-yl)propan-2-yl]imino-3-phenylpropan-2-yl]imino-3-(1H-indol-3-yl)propan-2-yl]imino-5-iminopentan-2-yl]pentanediimidic acid
—— (4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(3S,6R,9S,14S,17R,20S,23R,26S,29R,32S,35R)-3-(2-amino-2-oxoethyl)-29-[(2S)-butan-2-yl]-23,32-bis(3-carbamimidamidopropyl)-6,26-bis(carboxymethyl)-17-[(4-hydroxyphenyl)methyl]-20-(1H-indol-3-ylmethyl)-9-[[(2S)-4-methyl-2-[[(2S)-2-[[4-(naphthalen-2-ylsulfonylamino)-4-oxobutanoyl]amino]propanoyl]amino]pentanoyl]amino]-2,5,8,16,19,22,25,28,31,34-decaoxo-11,12-dithia-1,4,7,15,18,21,24,27,30,33-decazabicyclo[33.3.0]octatriacontane-14-carbonyl]amino]-5-oxopentanoyl]amino]-3-phenylpropanoyl]amino]-3-methylbutanoyl]amino]-5-[(2-amino-2-oxoethyl)amino]-5-oxopentanoic acid —— C110H151N29O31S3
(4S)-4-[[(2S)-2-[[(2S)-2-[[(2S)-5-amino-2-[[(3S,6R,9S,14S,17R,20S,23R,26S,29R,32S,35R)-3-(2-amino-2-oxoethyl)-29-[(2S)-butan-2-yl]-23,32-bis(3-carbamimidamidopropyl)-6,26-bis(carboxymethyl)-17-[(4-hydroxyphenyl)methyl]-20-(1H-indol-3-ylmethyl)-9-[[(2S)-4-methyl-2-[[(2S)-2-[[4-(naphthalen-2-ylsulfonylamino)-4-oxobutanoyl]amino]propanoyl]amino]pentanoyl]amino]-2,5,8,16,19,22,25,28,31,34-decaoxo-11,12-dithia-1,4,7,15,18,21,24,27,30,33-decazabicyclo[33.3.0]octatriacontane-14-carbonyl]amino]-5-oxopentanoyl]amino]-3-phenylpropanoyl]amino]-3-methylbutanoyl]amino]-5-[(2-amino-2-oxoethyl)amino]-5-oxopentanoic acid
—— (3S)-3-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-3-sulfanylpropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]acetyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-4-[[(2S)-5-amino-1-[[(2S)-1-[[(2S)-1-[[(2R)-1-[[(2S,3S)-1-methoxy-3-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-(5-methyl-1H-indol-3-yl)-1-oxopropan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-4-oxobutanoic acid —— C71H103N21O18S2
(3S)-3-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2S,3R)-2-amino-3-hydroxybutanoyl]amino]-3-sulfanylpropanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-(1H-imidazol-5-yl)propanoyl]amino]propanoyl]amino]acetyl]amino]-3-(1H-indol-3-yl)propanoyl]amino]-4-[[(2S)-5-amino-1-[[(2S)-1-[[(2S)-1-[[(2R)-1-[[(2S,3S)-1-methoxy-3-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-sulfanylpropan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-(5-methyl-1H-indol-3-yl)-1-oxopropan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-4-oxobutanoic acid