2B59

The type II cohesin dockerin complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	COG1196: Chromosome segregation ATPases	polymer	187	20550.2	1	UniProt (P71143) Pfam (PF00963) UniProt (by SIFTS) (A3DF10)	Clostridium thermocellum	type II cohesin
2	B (B)	Cellulosomal scaffolding protein A	polymer	172	18836.2	1	UniProt (Q06851) Pfam (PF00404) UniProt (by SIFTS) (Q01866)	Clostridium thermocellum	type II dockerin-x, Cellulosomal glycoprotein S1/SL, Cellulose integrating protein A, Cohesin
3	C, D (B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	E, F (A, B)	water	water		18.0	307	Chemie (HOH)

Sequence modifications

A: 14 - 186 (UniProt: P71143)

PDB	External Database	Details
Met 1	-	cloning artifact
Arg 2	-	cloning artifact
Gly 3	-	cloning artifact
Ser 4	-	cloning artifact
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Thr 11	-	cloning artifact
Asp 12	-	cloning artifact
Leu 13	-	cloning artifact
Phe 187	-	cloning artifact

B: 2 - 164 (UniProt: Q06851)

PDB	External Database	Details
Met 1	-	initiating methionine
Leu 165	-	cloning artifact
Glu 166	-	cloning artifact
His 167	-	expression tag
His 168	-	expression tag
His 169	-	expression tag
His 170	-	expression tag
His 171	-	expression tag
His 172	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	39386.4
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	39466.6

*Water molecules are not included.