PDB Chemical Component FUM

Ideal Model

Chemical Description

Name FUMARIC ACID
Formula C4 H4 O4
Formal charge 0
Molecular weight 116.072 g/mol
Component type NON-POLYMER

Chemical features

Atom count 12
Chiral atom count 0
Observed leaving atoms OXT O8 HXT HO8
Bond count 11
Aromatic bond count 0

Chemical Identifiers

Systematic name (ACDLabs) (2E)-but-2-enedioic acid
Systematic name (OpenEye OEToolkits) (E)-but-2-enedioic acid

Chemical Descriptors

Stereo SMILES (CACTVS) OC(=O)\C=C\C(O)=O
SMILES (CACTVS) OC(=O)C=CC(O)=O
Stereo SMILES (OpenEye) C(=C/C(=O)O)\C(=O)O
InChI descriptor InChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
InChIKey descriptor VZCYOOQTPOCHFL-OWOJBTEDSA-N

Status Information

Last modified 2023-11-03
Created 1999-07-08
Release status REL
Replaces FMR
Model PDB code 1E39
Processing site RCSB