PDB Chemical Component MNA

Ideal Model

Chemical Description

Name 2-O-methyl-5-N-acetyl-alpha-D-neuraminic acid
Synonyms 2-O-METHYL-5-N-ACETYL-ALPHA-D- NEURAMINIC ACID
Formula C12 H21 N O9
Formal charge 0
Molecular weight 323.296 g/mol
Component type D-saccharide
Nonstandard Parent Id SIA

Chemical features

Atom count 43
Chiral atom count 6
Chiral atoms C2 C4 C5 C6 C7 C8
Observed leaving atoms HO4 HO7 HO8 HO9
Bond count 43
Aromatic bond count 0

Chemical Identifiers

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

Chemical Descriptors

Stereo SMILES (CACTVS) CO[C@@]1(C[C@H](O)[C@@H](NC(C)=O)[C@@H](O1)[C@H](O)[C@H](O)CO)C(O)=O
SMILES (CACTVS) CO[C]1(C[CH](O)[CH](NC(C)=O)[CH](O1)[CH](O)[CH](O)CO)C(O)=O
Stereo SMILES (OpenEye) CC(=O)N[C@@H]1[C@H](C[C@@](O[C@H]1[C@@H]([C@@H](CO)O)O)(C(=O)O)OC)O
InChI descriptor InChI=1S/C12H21NO9/c1-5(15)13-8-6(16)3-12(21-2,11(19)20)22-10(8)9(18)7(17)4-14/h6-10,14,16-18H,3-4H2,1-2H3,(H,13,15)(H,19,20)/t6-,7+,8+,9+,10+,12+/m0/s1
InChIKey descriptor NJRVVFURCKKXOD-MIDKXNQYSA-N

Status Information

Last modified 2020-07-17
Created 1999-07-08
Release status REL
Model PDB code 1HGE
Processing site RCSB