6C9O

Selenomethionine mutant (V29Sem) of protein GB1 examined by X-ray diffraction

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)	Immunoglobulin G-binding protein G	polymer	56	6233.6	2	UniProt (P19909) Pfam (PF01378)	Streptococcus sp. group G	IgG-binding protein G
2	C, D, E, F (A, B)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	4	Chemie (MPD)
3	G, H (A, B)	water	water		18.0	167	Chemie (HOH)

Sequence modifications

A, B: 3 - 56 (UniProt: P19909)

PDB	External Database	Details
Gly 1	-	expression tag
Gln 2	-	expression tag
Mse 29	Val 330	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	12467.3
Non-Polymers*	Number of molecules	4
	Total formula weight	472.7
All*	Total formula weight	12939.9

*Water molecules are not included.