3QKR

Mre11 Rad50 binding domain bound to Rad50

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	DNA double-strand break repair rad50 ATPase	polymer	203	23615.2	1	UniProt (P58301) Pfam (PF13476) In PDB	Pyrococcus furiosus	Rad50 ABC-ATPase
2	B	DNA double-strand break repair rad50 ATPase	polymer	179	20553.8	1	UniProt (P58301) Pfam (PF13304) In PDB	Pyrococcus furiosus	Rad50 ABC-ATPase
3	C	DNA double-strand break repair protein mre11	polymer	34	4062.6	1	UniProt (Q8U1N9) In PDB	Pyrococcus furiosus	Mre11 Nuclease, pfMre11
4	A	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
5		water	water		18.0	7	Chemie (HOH)

Sequence modifications

A: 1 - 195 (UniProt: P58301)

PDB	External Database	Details
Gly 196	-	expression tag
Gly 197	-	expression tag
His 198	-	expression tag
His 199	-	expression tag
His 200	-	expression tag
His 201	-	expression tag
His 202	-	expression tag
His 203	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	48231.6
Non-Polymers*	Number of molecules	2
	Total formula weight	189.9
All*	Total formula weight	48421.5

*Water molecules are not included.