PDBsum entry: 1cqy

Hydrolase

PDB id: 1cqy

Contents

Protein chain

99 a.a. *

Waters ×107

* Residue conservation analysis

PDB id:

1cqy

Name:

Hydrolase

Title:

Starch binding domain of bacillus cereus beta-amylase

Structure:

Beta-amylase. Chain: a. Fragment: starch-binding domain. Engineered: yes

Source:

Bacillus cereus. Organism_taxid: 1396. Expressed in: escherichia coli. Expression_system_taxid: 562.

Biol. unit:

Dimer (from PQS)

Resolution:

1.95Å R-factor: 0.181 R-free: 0.225

Authors:

H.J.Yoon,A.Hirata,M.Adachi,A.Sekine,S.Utsumi,B.Mikami

Key ref:

H.J.Yoon et al. Structure of separated starch-Binding domain of bacillus cereus b-Amylase. To be published,

Date:

12-Aug-99 Release date: 20-Aug-99

Protein chain

Q9Z4N9  (Q9Z4N9_BACCE) -  Beta-amylase (Precursor)

Seq: 546 a.a.

Struc: 99 a.a.

Enzyme reactions

• Enzyme class: E.C.3.2.1.2 - Beta-amylase.
• Reaction: Hydrolysis of 1,4-alpha-glucosidic linkages in polysaccharides so as to remove successive maltose units from the non-reducing ends of the chains.

 Gene Ontology (GO) functional annotation 

• Biochemical function: starch binding (2 terms)