4WI0

Crystal structure of Coh3ScaB-XDoc_M2ScaA complex: A C-terminal interface mutant of type II Cohesin-X-Dockerin complex from Acetivibrio cellulolyticus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cellulosomal scaffoldin adaptor protein B	polymer	168	18318.6	1	UniProt (Q7WYN3) Pfam (PF00963) In PDB	Acetivibrio cellulolyticus
2	B	Cellulosomal scaffoldin	polymer	156	16487.4	1	UniProt (Q9RPL0) Pfam (PF13620) In PDB	Acetivibrio cellulolyticus
3	B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	219	Chemie (HOH)

Sequence modifications

A: 2 - 168 (UniProt: Q7WYN3)

PDB	External Database	Details
Met 1	-	initiating methionine

B: 29 - 184 (UniProt: Q9RPL0)

PDB	External Database	Details
Gly 178	Asn 1909	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	34806.0
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	34886.2

*Water molecules are not included.