3IRH

Structure of an Enterococcus Faecalis HD-domain protein complexed with dGTP and dATP

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 (A, B, C, D)	HD domain protein	polymer	480	55886.0	4	UniProt (Q836G9) Pfam (PF01966) Pfam (PF19276)	Enterococcus faecalis (Streptococcus faecalis)
2	E, H, J, M (A, B, C, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	F, G, K, L (A, B, C, D)	2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (DGT)
4	I, N (B, D)	2'-DEOXYADENOSINE 5'-TRIPHOSPHATE	non-polymer		491.2	2	Chemie (DTP)
5	O, P, Q, R (A, B, C, D)	water	water		18.0	409	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 456 (UniProt: Q836G9)

PDB	External Database	Details
Met -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	223544.0
Non-Polymers*	Number of molecules	10
	Total formula weight	3171.4
All*	Total formula weight	226715.4

*Water molecules are not included.