5GQO

Structure of the second Single Stranded DNA Binding protein (SSBb) 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-stranded DNA-binding protein	polymer	190	20727.7	2	UniProt (A0R1C4) Pfam (PF00436)	Mycobacterium smegmatis (strain ATCC 700084 / mc(2)155)
2	C (A)	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3	D, E (A, B)	water	water		18.0	45	Chemie (HOH)

Sequence modifications

A, B: 1 - 170 (UniProt: A0R1C4)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	41455.4
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	41495.5

*Water molecules are not included.