6R4S

Crystal structure of the Pri1 subunit of human primase bound to 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 (A, E)	DNA primase small subunit	polymer	410	48720.5	2	UniProt (P49642) Pfam (PF01896)	Homo sapiens (Human)	DNA primase 49 kDa subunit,p49
2	C, G (A, E)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3	D, E, H, I (A, E)	MANGANESE (II) ION	non-polymer		54.9	4	Chemie (MN)
4	F, J (A, E)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)
5	K, L (A, E)	water	water		18.0	44	Chemie (HOH)

Sequence modifications

A, E: 1 - 407 (UniProt: P49642)

PDB	External Database	Details
Gly -2	-	expression tag
Thr -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	97441.0
Non-Polymers*	Number of molecules	8
	Total formula weight	1364.9
All*	Total formula weight	98806.0

*Water molecules are not included.