9K1N

Crystal structure of family 11 xylanase in complex with inhibitor (OsXIP)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (C, D)	Endo-1,4-beta-xylanase 2	polymer	204	22361.1	2	UniProt (W0HJ53)	Rhizopus arrhizus	Xylanase 2,1,4-beta-D-xylan xylanohydrolase 2
2	C, D (B, A)	Xylanase inhibitor protein XIP	polymer	279	31329.3	2	UniProt (Q5WMW5)	Oryza sativa subsp. japonica (rice)	OsXIP,Class III chitinase homolog XIP
3	E, F, G, H (C, D, B, A)	water	water		18.0	276	Chemie (HOH)

Sequence modifications

C, D: 1 - 197 (UniProt: W0HJ53)

PDB	External Database	Details
Met -6	-	initiating methionine
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

B, A: 1 - 272 (UniProt: Q5WMW5)

PDB	External Database	Details
Met 0	-	initiating methionine
His 273	-	expression tag
His 274	-	expression tag
His 275	-	expression tag
His 276	-	expression tag
His 277	-	expression tag
His 278	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	107380.8
All*	Total formula weight	107380.8

*Water molecules are not included.