6KGE

Crystal structure of CaDoc0917(R16D)-CaCohA2 complex at pH 5.5

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (C, A)	Probably cellulosomal scaffolding protein, secreted cellulose-binding and cohesin domain	polymer	150	15624.4	2	UniProt (Q977Y4) Pfam (PF00963)	Clostridium acetobutylicum ATCC 824
2	B, D (D, B)	And cellulose-binding endoglucanase family 9 CelL ortholog dockerin domain	polymer	62	6584.3	2	UniProt (Q97KK2) Pfam (PF00404)	Clostridium acetobutylicum ATCC 824
3	E, F, G, H (D, B)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	I, J, K, L (C, D, A, B)	water	water		18.0	294	Chemie (HOH)

Sequence modifications

C, A: 1 - 149 (UniProt: Q977Y4)

PDB	External Database	Details
Ser 0	-	expression tag

D, B: 1 - 61 (UniProt: Q97KK2)

PDB	External Database	Details
Ser 0	-	expression tag
Asp 16	Arg 492	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	44417.5
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	44577.8

*Water molecules are not included.