3UL4

Crystal structure of Coh-OlpA(Cthe_3080)-Doc918(Cthe_0918) 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	Cellulosome-anchoring protein	polymer	157	17426.8	1	UniProt (Q06848) Pfam (PF00963) In PDB	Clostridium thermocellum
2	B	Cellulosome enzyme, dockerin type I	polymer	65	7316.5	1	UniProt (A3DDX3) Pfam (PF00404) UniProt (by SIFTS) (L7MTK2) In PDB	Clostridium thermocellum
3	A, B	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
4	A, B	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	4	Chemie (PEG)
5	B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
6		water	water		18.0	178	Chemie (HOH)

Sequence modifications

A: 4 - 149 (UniProt: Q06848)

PDB	External Database	Details
Met 1	-	expression tag
Ala 2	-	expression tag
Ser 3	-	expression tag
Leu 150	-	expression tag
Glu 151	-	expression tag
His 152	-	expression tag
His 153	-	expression tag
His 154	-	expression tag
His 155	-	expression tag
His 156	-	expression tag
His 157	-	expression tag

B: 2 - 65 (UniProt: A3DDX3)

PDB	External Database	Details
Met 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	24743.3
Non-Polymers*	Number of molecules	10
	Total formula weight	888.9
All*	Total formula weight	25632.2

*Water molecules are not included.