7OTO

The structure of MutS bound to two molecules of AMPPNP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	DNA mismatch repair protein MutS	polymer	806	90433.2	2	UniProt (P23909) Pfam (PF01624) Pfam (PF05188) Pfam (PF05192) Pfam (PF05190) Pfam (PF00488)	Escherichia coli (strain K12)
2	C, E (B, A)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
3	D, F (B, A)	PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER	non-polymer		506.2	2	Chemie (ANP)

Sequence modifications

B, A: 1 - 800 (UniProt: P23909)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	180866.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1061.0
All*	Total formula weight	181927.5

*Water molecules are not included.