2AIR

T-state Active Site of Aspartate Transcarbamylase:Crystal Structure of the Carbamyl Phosphate and L-alanosine Ligated Enzyme

Entity

Chain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
A, GAspartate carbamoyltransferase catalytic chainpolymer31034337.12
UniProt (P0A786)
Pfam (PF00185)
Pfam (PF02729)
Escherichia coli@PDBjAspartate transcarbamylase, ATCase
B, HAspartate carbamoyltransferase regulatory chainpolymer15317143.62
UniProt (P0A7F3)
Pfam (PF01948)
Pfam (PF02748)
Escherichia coli@PDBj
PHOSPHORIC ACID MONO(FORMAMIDE)ESTERnon-polymer141.02
3-[HYDROXY(NITROSO)AMINO]-L-ALANINEnon-polymer149.12
ZINC IONnon-polymer65.42
waterwater18.0606

Sequence viewer

Contents of the asymmetric unit

PolymersNumber of chains4
Total molecular weight102961.5
Non-Polymers*Number of molecules6
Total molecular weight711.1
All*Total molecular weight103672.5
*Water molecules are not included.