PDBsum entry 4pmd

Hydrolase

PDB id: 4pmd

Contents

Protein chain

329 a.a.

Ligands

XYP-XYP

Waters ×141

PDB id:

4pmd

Name:

Hydrolase

Title:

Crystal structure of cbxyn10b from caldicellulosiruptor bescii and its mutant(e139a) in complex with hydrolyzed xylotetraose

Structure:

Endo-1,4-beta-xylanase. Chain: a. Engineered: yes

Source:

Caldicellulosiruptor bescii. Organism_taxid: 521460. Strain: atcc baa-1888 / dsm 6725 / z-1320. Gene: athe_0185. Expressed in: escherichia coli. Expression_system_taxid: 562.

Resolution:

1.70Å R-factor: 0.193 R-free: 0.212

Authors:

J.An,Y.Feng,G.Wu

Key ref:

J.An et al. Crystal structure of cbxyn10b from caldicellulosirupt bescii and its mutant(e139a) in complex with hydrolyz xylotetraose. To be published, .

Date:

21-May-14 Release date: 24-Jun-15

Protein chain

B9MMA5  (B9MMA5_CALBD) -  Beta-xylanase from Caldicellulosiruptor bescii (strain ATCC BAA-1888 / DSM 6725 / KCTC 15123 / Z-1320)

Seq: 337 a.a.

Struc: 329 a.a.*

* PDB and UniProt seqs differ at 1 residue position (black cross)

Enzyme reactions

• Enzyme class: E.C.3.2.1.8 - endo-1,4-beta-xylanase.
• Reaction: Endohydrolysis of 1,4-beta-D-xylosidic linkages in xylans.