PDB Chemical Component HEC

Experimental Model

Chemical Description

Name HEME C
Formula C34 H34 Fe N4 O4
Formal charge 0
Molecular weight 618.503 g/mol
Component type NON-POLYMER

Chemical features

Atom count 77
Chiral atom count 0
Bond count 84
Aromatic bond count 20

Chemical Identifiers

Systematic name (ACDLabs) {3,3'-[(7E,12E)-7,12-diethylidene-3,8,13,17-tetramethyl-7,12,22,24-tetrahydroporphyrin-2,18-diyl-kappa~4~N~21~,N~22~,N~23~,N~24~]dipropanoato(4-)}iron

Chemical Descriptors

Stereo SMILES (CACTVS) C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
SMILES (CACTVS) CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
Stereo SMILES (OpenEye) CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
InChI descriptor InChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;
InChIKey descriptor HXQIYSLZKNYNMH-LJNAALQVSA-N

Status Information

Last modified 2011-06-04
Created 1999-07-08
Release status REL
Model PDB code 1DY7
Processing site RCSB