1KH2

Crystal Structure of Thermus thermophilus HB8 Argininosuccinate Synthetase in complex with ATP

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	Argininosuccinate Synthetase	polymer	400	44876.0	4	UniProt (P59846) Pfam (PF00764) Pfam (PF20979) In PDB	Thermus thermophilus
2	A, B, C, D	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (ATP)
3		water	water		18.0	385	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	179504.0
Non-Polymers*	Number of molecules	4
	Total formula weight	2028.7
All*	Total formula weight	181532.7

*Water molecules are not included.