1K51

A G55A Mutation Induces 3D Domain Swapping in the B1 Domain of Protein L from Peptostreptococcus magnus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Protein L	polymer	72	8066.9	1	UniProt (Q51912) Pfam (PF02246)	Finegoldia magna
2	B, C, D (A)	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	E (A)	water	water		18.0	68	Chemie (HOH)

Sequence modifications

A: 2 - 64 (UniProt: Q51912)

PDB	External Database	Details
Met -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Ala 0	-	expression tag
Met 1	-	expression tag
Trp 47	Tyr 156	engineered mutation
Ala 55	Gly 164	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	8066.9
Non-Polymers*	Number of molecules	3
	Total formula weight	196.2
All*	Total formula weight	8263.2

*Water molecules are not included.