7R4K

Crystal structure of human mitochondrial NAD kinase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	NAD kinase 2, mitochondrial	polymer	391	44689.3	1	UniProt (Q4G0N4) Pfam (PF01513) In PDB	Homo sapiens (human)	Mitochondrial NAD kinase,NAD kinase domain-containing protein 1,mitochondrial
2	A	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE	non-polymer		743.4	1	Chemie (NAP)
3	A	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
4		water	water		18.0	78	Chemie (HOH)

Sequence modifications

A: 61 - 442 (UniProt: Q4G0N4)

PDB	External Database	Details
Met 52	-	initiating methionine
Gly 53	-	expression tag
His 54	-	expression tag
His 55	-	expression tag
His 56	-	expression tag
His 57	-	expression tag
His 58	-	expression tag
His 59	-	expression tag
Gly 60	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	44689.3
Non-Polymers*	Number of molecules	2
	Total formula weight	767.7
All*	Total formula weight	45457.0

*Water molecules are not included.