3KCP

Crystal structure of interacting Clostridium thermocellum multimodular components

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cellulosomal-scaffolding protein A	polymer	321	34659.9	1	UniProt (Q06851) Pfam (PF00963) Pfam (PF00404) In PDB	Clostridium thermocellum ATCC 27405	Cellulosomal glycoprotein S1/SL, Cellulose-integrating protein A, Cohesin
2	B	Cellulosome anchoring protein, cohesin region	polymer	187	20566.2	1	UniProt (A3DF10) Pfam (PF00963) In PDB	Clostridium thermocellum ATCC 27405
3	A	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4	A	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5		water	water		18.0	244	Chemie (HOH)

Sequence modifications

A: 2 - 313 (UniProt: Q06851)

PDB	External Database	Details
Met 1	-	expression tag
Leu 314	-	expression tag
Glu 315	-	expression tag
His 316	-	expression tag
His 317	-	expression tag
His 318	-	expression tag
His 319	-	expression tag
His 320	-	expression tag
His 321	-	expression tag

B: 436 - 609 (UniProt: A3DF10)

PDB	External Database	Details
Met 423	-	expression tag
Arg 424	-	expression tag
Gly 425	-	expression tag
Ser 426	-	expression tag
His 427	-	expression tag
His 428	-	expression tag
His 429	-	expression tag
His 430	-	expression tag
His 431	-	expression tag
His 432	-	expression tag
Thr 433	-	expression tag
Asp 434	-	expression tag
Leu 435	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	55226.1
Non-Polymers*	Number of molecules	3
	Total formula weight	115.6
All*	Total formula weight	55341.7

*Water molecules are not included.