7DA8

X-ray structure of a GB1:T2Q/D46K mutant

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Immunoglobulin G-binding protein G	polymer	62	7071.8	1	UniProt (P19909) Pfam (PF01378)	Streptococcus sp. group G	IgG-binding protein G
2	B (A)	water	water		18.0	7	Chemie (HOH)

Sequence modifications

A: 2 - 56 (UniProt: P19909)

PDB	External Database	Details
Met 1	-	initiating methionine
Gln 2	Thr 303	engineered mutation
Lys 46	Asp 347	engineered mutation
His 57	-	expression tag
His 58	-	expression tag
His 59	-	expression tag
His 60	-	expression tag
His 61	-	expression tag
His 62	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	7071.8
All*	Total formula weight	7071.8

*Water molecules are not included.