7NWQ

A carbohydrate binding module family 9 (CBM9) from Caldicellulosiruptor kristjanssonii in complex with cellotriose

This is a non-PDB format compatible entry.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (AAA)	Beta-xylanase	polymer	215	24645.2	1	UniProt (E4S6E9)	Caldicellulosiruptor kristjanssonii (strain ATCC 700853 / DSM 12137 / I77R1B)
2	B (BBB)	beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose	branched		504.4	1	In PDB BIRD (PRD_900021) GlyTouCan (G14338VK)
3	C, D, E, F, G... (AAA)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	7	Chemie (PEG)
4	J, K, L, M, N... (AAA)	1,2-ETHANEDIOL	non-polymer		62.1	9	Chemie (EDO)
5	S, T, U (AAA)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
6	V, X (AAA)	TRIETHYLENE GLYCOL	non-polymer		150.2	2	Chemie (PGE)
7	W (AAA)	PENTAETHYLENE GLYCOL	non-polymer		238.3	1	Chemie (1PE)
8	Y (AAA)	water	water		18.0	111	Chemie (HOH)

Sequence modifications

AAA: 21 - 215 (UniProt: E4S6E9)

PDB	External Database	Details
Met 1	-	initiating methionine
Gly 2	-	expression tag
Ser 3	-	expression tag
Ser 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
Ser 11	-	expression tag
Ser 12	-	expression tag
Glu 13	-	expression tag
Asn 14	-	expression tag
Leu 15	-	expression tag
Tyr 16	-	expression tag
Phe 17	-	expression tag
Gln 18	-	expression tag
Gly 19	-	expression tag
His 20	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	24645.2
Branched	Number of molecules	1
	Total formula weight	504.4
Non-Polymers*	Number of molecules	22
	Total formula weight	1960.3
All*	Total formula weight	27110.0

*Water molecules are not included.