8BT9

Crystal structure of SlpA domain II (aa 201-310), domain that is involved in the self-assembly and dimerization of the S-layer from Lactobacillus acidophilus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, B	S-layer protein	polymer	120	12834.2	3	UniProt (P35829) Pfam (PF22797) In PDB	Lactobacillus acidophilus	Surface layer protein,SA-protein
2	A	NICOTINAMIDE	non-polymer		122.1	1	Chemie (NCA)
3		water	water		18.0	153	Chemie (HOH)

Sequence modifications

A, C, B: 201 - 313 (UniProt: P35829)

PDB	External Database	Details
Met 199	-	initiating methionine
Gly 200	-	expression tag
Leu 311	Val 309	conflict
Glu 312	Ala 310	conflict
His 313	Glu 311	conflict
His 314	-	expression tag
His 315	-	expression tag
His 316	-	expression tag
His 317	-	expression tag
His 318	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	38502.6
Non-Polymers*	Number of molecules	1
	Total formula weight	122.1
All*	Total formula weight	38624.7

*Water molecules are not included.