3HD8

Crystal structure of the Triticum aestivum xylanase inhibitor-IIA in complex with bacillus subtilis xylanase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Xylanase inhibitor	polymer	389	40302.0	2	UniProt (Q53IQ4) Pfam (PF14543) Pfam (PF14541) In PDB	Triticum aestivum (Wheat)	Xylanase Inhibitor IIA
2	B, D	Endo-1,4-beta-xylanase A	polymer	185	20409.0	2	UniProt (P18429) Pfam (PF00457) In PDB	Bacillus subtilis	Xylanase A, 1,4-beta-D-xylan xylanohydrolase A
3		water	water		18.0	42	Chemie (HOH)

Sequence modifications

A, C: 1 - 389 (UniProt: Q53IQ4)

PDB	External Database	Details
Glu 1	Lys 1	SEE REMARK 999
Pro 163	Ala 163	SEE REMARK 999
Met 314	Leu 314	SEE REMARK 999

B, D: 1 - 185 (UniProt: P18429)

PDB	External Database	Details
Thr 147	Ser 175	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	121422.1
All*	Total formula weight	121422.1

*Water molecules are not included.