PDB Chemical Component MUS

Ideal Model

Chemical Description

Name 4-METHYL-2-OXO-2H-CHROMEN-7-YL 5-(ACETYLAMINO)-3,5-DIDEOXY-L-ERYTHRO-NON-2-ULOPYRANOSIDONIC ACID
Synonyms METHYLUMBELLIFERYL SIALIC ACID
Formula C21 H25 N O11
Formal charge 0
Molecular weight 467.423 g/mol
Component type NON-POLYMER

Chemical features

Atom count 58
Chiral atom count 6
Chiral atoms C15 C14 C13 C12 C11 C9
Bond count 60
Aromatic bond count 11

Chemical Identifiers

Systematic name (ACDLabs) 4-methyl-2-oxo-2H-chromen-7-yl 5-(acetylamino)-3,5-dideoxy-D-glycero-alpha-D-galacto-non-2-ulopyranosidonic acid
Systematic name (OpenEye OEToolkits) (2S,4S,5R,6R)-5-acetamido-4-hydroxy-2-(4-methyl-2-oxo-chromen-7-yl)oxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid

Chemical Descriptors

Stereo SMILES (CACTVS) CC(=O)N[C@@H]1[C@@H](O)C[C@](O[C@H]1[C@H](O)[C@H](O)CO)(Oc2ccc3C(=CC(=O)Oc3c2)C)C(O)=O
SMILES (CACTVS) CC(=O)N[CH]1[CH](O)C[C](O[CH]1[CH](O)[CH](O)CO)(Oc2ccc3C(=CC(=O)Oc3c2)C)C(O)=O
Stereo SMILES (OpenEye) CC1=CC(=O)Oc2c1ccc(c2)O[C@@]3(C[C@@H]([C@H]([C@@H](O3)[C@@H]([C@@H](CO)O)O)NC(=O)C)O)C(=O)O
InChI descriptor InChI=1S/C21H25NO11/c1-9-5-16(27)31-15-6-11(3-4-12(9)15)32-21(20(29)30)7-13(25)17(22-10(2)24)19(33-21)18(28)14(26)8-23/h3-6,13-14,17-19,23,25-26,28H,7-8H2,1-2H3,(H,22,24)(H,29,30)/t13-,14+,17+,18+,19+,21+/m0/s1
InChIKey descriptor KKDWIUJBUSOPGC-GKHMPSLRSA-N

Status Information

Last modified 2021-03-01
Created 2004-01-19
Release status REL
Model PDB code 1S0J
Processing site RCSB