8Y1M

Xylanase R from Bacillus sp. TAR-1 complexed with xylobiose.

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 A	polymer	360	42031.1	2	UniProt (P07528) Pfam (PF00331)	Bacillus sp. TAR1	Xylanase A,1,4-beta-D-xylan xylanohydrolase A
2	C, D, E, F (C, D, E, F)	beta-D-xylopyranose-(1-4)-beta-D-xylopyranose	branched		282.2	4	In PDB BIRD (PRD_900116) GlyTouCan (G87728WL)
3	G, H, I, J, K... (A, B)	CALCIUM ION	non-polymer		40.1	9	Chemie (CA)
4	AA, L, M, Z (B, A)	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
5	BA, CA, N, O, P... (B, A)	(4S)-2-METHYL-2,4-PENTANEDIOL	non-polymer		118.2	7	Chemie (MPD)
6	DA, S, T (B, A)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	3	Chemie (TRS)
7	EA, U (B, A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
8	FA, GA (A, B)	water	water		18.0	548	Chemie (HOH)

Sequence modifications

A, B: 1 - 351 (UniProt: P07528)

PDB	External Database	Details
Met 0	-	initiating methionine
Leu 352	-	expression tag
Glu 353	-	expression tag
His 354	-	expression tag
His 355	-	expression tag
His 356	-	expression tag
His 357	-	expression tag
His 358	-	expression tag
His 359	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	84062.3
Branched	Number of molecules	4
	Total formula weight	1129.0
Non-Polymers*	Number of molecules	25
	Total formula weight	2002.8
All*	Total formula weight	87194.0

*Water molecules are not included.