3IHL

Human CTPS2 crystal structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	CTP synthase 2	polymer	282	31483.2	2	UniProt (Q9NRF8) Pfam (PF06418)	Homo sapiens (human)	UTP--ammonia ligase 2, CTP synthetase 2
2	C, E (A, B)	ADENOSINE-5'-DIPHOSPHATE	non-polymer		427.2	2	Chemie (ADP)
3	D, F (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
4	G, H (A, B)	water	water		18.0	43	Chemie (HOH)

Sequence modifications

A, B: 1 - 275 (UniProt: Q9NRF8)

PDB	External Database	Details
Ala 276	-	expression tag
His 277	-	expression tag
His 278	-	expression tag
His 279	-	expression tag
His 280	-	expression tag
His 281	-	expression tag
His 282	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	62966.3
Non-Polymers*	Number of molecules	4
	Total formula weight	1044.3
All*	Total formula weight	64010.7

*Water molecules are not included.