1X3F

Crystal structure of the single-stranded DNA-binding protein from Mycobacterium SMEGMATIS

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, B)	Single-strand binding protein	polymer	165	17421.1	2	UniProt (Q9AFI5) Pfam (PF00436)	Mycobacterium smegmatis	SINGLE-STRANDED DNA-BINDING PROTEIN, SSB, Helix-destabilizing protein
2	C, D (A, B)	CADMIUM ION	non-polymer		112.4	2	Chemie (CD)
3	E, F (A, B)	water	water		18.0	171	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34842.2
Non-Polymers*	Number of molecules	2
	Total formula weight	224.8
All*	Total formula weight	35067.0

*Water molecules are not included.