7QLD

Crystal structure of S-layer protein SlpA from Lactobacillus acidophilus, domain I, Co-crystallization with HgCl2, Mutation Ser146Cys, (aa 32-198)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	S-layer protein	polymer	170	17259.7	2	UniProt (P35829) Pfam (PF22796)	Lactobacillus acidophilus	Surface layer protein,SA-protein
2	C, F (B, A)	MERCURY (II) ION	non-polymer		200.6	2	Chemie (HG)
3	D, E, G, H (B, A)	CHLORIDE ION	non-polymer		35.5	4	Chemie (CL)
4	I, J (B, A)	water	water		18.0	71	Chemie (HOH)

Sequence modifications

B, A: 32 - 198 (UniProt: P35829)

PDB	External Database	Details
Arg 29	-	expression tag
His 30	-	expression tag
Met 31	-	expression tag
Cys 146	Ser 146	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34519.3
Non-Polymers*	Number of molecules	6
	Total formula weight	543.0
All*	Total formula weight	35062.3

*Water molecules are not included.