PDB Chemical Component SRM

Ideal Model

Chemical Description

Name SIROHEME
Formula C42 H44 Fe N4 O16
Formal charge 0
Molecular weight 916.661 g/mol
Component type NON-POLYMER

Chemical features

Atom count 107
Chiral atom count 5
Chiral atoms C2A C3A C2B C3B NC
Bond count 114
Aromatic bond count 5

Chemical Identifiers

Systematic name (ACDLabs) {3,3',3'',3'''-[(8S,13S)-3,8,13,17-tetrakis(carboxymethyl)-8,13-dimethyl-8,13,22,24-tetrahydroporphyrin-2,7,12,18-tetrayl-kappa~4~N~21~,N~22~,N~23~,N~24~]tetrapropanoato(4-)}iron

Chemical Descriptors

Stereo SMILES (CACTVS) C[C@]1(CC(O)=O)[C@@H](CCC(O)=O)C2=NC1=CC3=NC(=Cc4n5[Fe][N@@]6C(=C2)C(=C(CCC(O)=O)C6=Cc5c(CCC(O)=O)c4CC(O)=O)CC(O)=O)[C@@](C)(CC(O)=O)[C@@H]3CCC(O)=O
SMILES (CACTVS) C[C]1(CC(O)=O)[CH](CCC(O)=O)C2=NC1=CC3=NC(=Cc4n5[Fe][N]6C(=C2)C(=C(CCC(O)=O)C6=Cc5c(CCC(O)=O)c4CC(O)=O)CC(O)=O)[C](C)(CC(O)=O)[CH]3CCC(O)=O
Stereo SMILES (OpenEye) C[C@@]1(C(C2=[N]3C1=Cc4c(c(c5n4[Fe]36N7C(=C5)C(=C(C7=CC8=[N]6C(=C2)[C@@](C8CCC(=O)O)(C)CC(=O)O)CC(=O)O)CCC(=O)O)CCC(=O)O)CC(=O)O)CCC(=O)O)CC(=O)O
InChI descriptor InChI=1S/C42H46N4O16.Fe/c1-41(17-39(59)60)23(5-9-35(51)52)29-14-27-21(11-37(55)56)19(3-7-33(47)48)25(43-27)13-26-20(4-8-34(49)50)22(12-38(57)58)28(44-26)15-31-42(2,18-40(61)62)24(6-10-36(53)54)30(46-31)16-32(41)45-29;/h13-16,23-24H,3-12,17-18H2,1-2H3,(H10,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62);/q;+2/p-2/t23?,24-,41+,42+;/m1./s1
InChIKey descriptor DLKSSIHHLYNIKN-MWBYXLBFSA-L

Status Information

Last modified 2023-11-29
Created 1999-07-08
Release status REL
Model PDB code 1AOP
Processing site RCSB