4DH2

Crystal structure of Coh-OlpC(Cthe_0452)-Doc435(Cthe_0435) complex: A novel type I Cohesin-Dockerin complex from Clostridium thermocellum ATTC 27405

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	Cellulosome anchoring protein cohesin region	polymer	170	19063.6	2	UniProt (A3DCL1) Pfam (PF00963)	Clostridium thermocellum
2	B, D (B, D)	Dockerin type 1	polymer	82	9482.8	2	UniProt (A3DCJ4) Pfam (PF00404)	Clostridium thermocellum
3	E, F, G, J, K... (A, B, C)	SULFATE ION	non-polymer		96.1	9	Chemie (SO4)
4	H, I, P, Q (B, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
5	R, S, T, U (A, B, C, D)	water	water		18.0	461	Chemie (HOH)

Sequence modifications

A, C: 4 - 162 (UniProt: A3DCL1)

PDB	External Database	Details
Met 1	-	initiating methionine
Ala 2	-	expression tag
Ser 3	-	expression tag
Leu 163	-	expression tag
Glu 164	-	expression tag
His 165	-	expression tag
His 166	-	expression tag
His 167	-	expression tag
His 168	-	expression tag
His 169	-	expression tag
His 170	-	expression tag

B, D: 2 - 82 (UniProt: A3DCJ4)

PDB	External Database	Details
Met 1	-	initiating methionine

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	57092.8
Non-Polymers*	Number of molecules	13
	Total formula weight	1024.9
All*	Total formula weight	58117.7

*Water molecules are not included.