1K52

Monomeric Protein L B1 Domain with a K54G mutation

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)	Protein L	polymer	72	7980.8	2	UniProt (Q51912) Pfam (PF02246)	Finegoldia magna
2	C, D, E, F, G... (A, B)	ZINC ION	non-polymer		65.4	8	Chemie (ZN)
3	K, L (A, B)	water	water		18.0	203	Chemie (HOH)

Sequence modifications

A, B: 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
Gly 54	Lys 163	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	15961.6
Non-Polymers*	Number of molecules	8
	Total formula weight	523.3
All*	Total formula weight	16484.8

*Water molecules are not included.