3dc0 Summary

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Crystal structure of native alpha-amylase from Bacillus sp. KR-8104

The structure was published by Alikhajeh, J., Khajeh, K., Ranjbar, B., Naderi-Manesh, M., Naderi-Manesh, H., and Chen, C.J., in in a paper entitled "Crystal structure of native alpha-amylase from Bacillus sp. KR-8104" (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.78 Å and deposited in 2008.

The experimental data on which the structure is based was also deposited.

The PDB entry contains the structure of alpha-amylase. This molecule has the UniProt identifier B3GQD0 (B3GQD0_9BACI)search. The sample contained 422 residues which is < 90% of the natural sequence. Out of 422 residues 422 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule is most likely monomeric.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A alpha-amylase B3GQD0 (45-466) (B3GQD0_9BACI)search Bacillus sp. KR-8104search < 90% 422 100%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
B3GQD0 (45 - 466) alpha-amylase Bacillus sp. KR-8104

Chain Structural classification (CATH) Sequence family (Pfam)
A Glycosidasessearch, Golgi alpha-mannosidase IIsearch Alpha amylase, catalytic domainsearch, Alpha amylase, C-terminal all-beta domainsearch

Chain ID Molecular function (GO) Biological process (GO)
A (B3GQD0) catalytic activitysearch cation bindingsearch carbohydrate metabolic processsearch

Chain InterPro annotation
A Alpha amylasesearch Glycosyl hydrolase, family 13, catalytic domainsearch Alpha-amylase, C-terminal all betasearch Glycosyl hydrolase, family 13, all-betasearch Glycoside hydrolase, catalytic domainsearch Glycoside hydrolase, family 13search Glycoside hydrolase superfamilysearch