PDB Chemical Component CYC

Ideal Model

Chemical Description

Name PHYCOCYANOBILIN
Formula C33 H40 N4 O6
Formal charge 0
Molecular weight 588.694 g/mol
Component type NON-POLYMER

Chemical features

Atom count 83
Chiral atom count 2
Chiral atoms C2C C3C
Observed leaving atoms HAC1
Bond count 86
Aromatic bond count 5

Chemical Identifiers

Systematic name (ACD-LABS) (3R,4R)-4-ethyl-3-methyl-5-methylenepyrrolidin-2-one
Systematic name (OpenEye OEToolkits) 3-[5-[(Z)-[(3R,4R)-3-ethyl-4-methyl-5-oxidanylidene-pyrrolidin-2-ylidene]methyl]-2-[(Z)-[5-[(Z)-(4-ethyl-3-methyl-5-oxidanylidene-pyrrol-2-ylidene)methyl]-3-(3-hydroxy-3-oxopropyl)-4-methyl-pyrrol-2-ylidene]methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid

Chemical Descriptors

Stereo SMILES (CACTVS) CC[C@@H]1[C@@H](C)C(=O)N\C1=C/c2[nH]c(\C=C3/N=C(\C=C4/NC(=O)C(=C4C)CC)C(=C3CCC(O)=O)C)c(CCC(O)=O)c2C
SMILES (CACTVS) CC[CH]1[CH](C)C(=O)NC1=Cc2[nH]c(C=C3N=C(C=C4NC(=O)C(=C4C)CC)C(=C3CCC(O)=O)C)c(CCC(O)=O)c2C
Stereo SMILES (OpenEye) CC[C@@H]\1[C@H](C(=O)N/C1=C\c2c(c(c([nH]2)/C=C\3/C(=C(C(=N3)/C=C\4/C(=C(C(=O)N4)CC)C)C)CCC(=O)O)CCC(=O)O)C)C
InChI descriptor InChI=1S/C33H40N4O6/c1-7-20-19(6)32(42)37-27(20)14-25-18(5)23(10-12-31(40)41)29(35-25)15-28-22(9-11-30(38)39)17(4)24(34-28)13-26-16(3)21(8-2)33(43)36-26/h13-15,19-20,35H,7-12H2,1-6H3,(H,36,43)(H,37,42)(H,38,39)(H,40,41)/b26-13-,27-14-,28-15-/t19-,20-/m1/s1
InChIKey descriptor VXTXPYZGDQPMHK-GMXXPEQVSA-N

Status Information

Last modified 2014-05-01
Created 1999-07-08
Release status REL
Model PDB code 1CPC
Processing site RCSB