2W5F

High resolution crystallographic structure of the Clostridium thermocellum N-terminal endo-1,4-beta-D-xylanase 10B (Xyn10B) CBM22-1- GH10 modules complexed with xylohexaose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	ENDO-1,4-BETA-XYLANASE Y	polymer	540	60082.3	2	UniProt (P51584) Pfam (PF02018) Pfam (PF00331)	CLOSTRIDIUM THERMOCELLUM	1\,4-BETA-D-XYLAN XYLANOHYDROLASE Y, ENDO-1\,4-BETA-D-XYLANASE 10B, XYLANASE Y, XYLY
2	C, D (C, D)	beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose	branched		414.4	2	In PDB BIRD (PRD_900117) GlyTouCan (G87429QT)		4beta-beta-xylotriose
3	E, F, G, H, I... (A, B)	ACETATE ION	non-polymer		59.0	9	Chemie (ACT)
4	K, L, M, N, O... (A, B)	CADMIUM ION	non-polymer		112.4	13	Chemie (CD)
5	AA, BA (A, B)	water	water		18.0	1598	Chemie (HOH)

Sequence modifications

A, B: 32 - 551 (UniProt: P51584)

PDB	External Database	Details
Met 12	-	expression tag
Gly 13	-	expression tag
Ser 14	-	expression tag
Ser 15	-	expression tag
His 16	-	expression tag
His 17	-	expression tag
His 18	-	expression tag
His 19	-	expression tag
His 20	-	expression tag
His 21	-	expression tag
Ser 22	-	expression tag
Ser 23	-	expression tag
Gly 24	-	expression tag
Leu 25	-	expression tag
Val 26	-	expression tag
Pro 27	-	expression tag
Arg 28	-	expression tag
Gly 29	-	expression tag
Ser 30	-	expression tag
His 31	-	expression tag
Ala 337	Glu 337	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	120164.6
Branched	Number of molecules	2
	Total formula weight	828.7
Non-Polymers*	Number of molecules	22
	Total formula weight	1992.7
All*	Total formula weight	122986.1

*Water molecules are not included.