1NBA

CRYSTAL STRUCTURE ANALYSIS, REFINEMENT AND ENZYMATIC REACTION MECHANISM OF N-CARBAMOYLSARCOSINE AMIDOHYDROLASE FROM ARTHROBACTER SP. AT 2.0 ANGSTROMS RESOLUTION

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	N-CARBAMOYLSARCOSINE AMIDOHYDROLASE	polymer	264	29084.3	4	UniProt (P32400) Pfam (PF00857) In PDB	Arthrobacter sp.
2	A, B, C, D	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3		water	water		18.0	431	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	116337.2
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	116721.5

*Water molecules are not included.