2ayh Summary

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PDB entry 2ayh (supersedes 1ayh)

CRYSTAL AND MOLECULAR STRUCTURE AT 1.6 ANGSTROMS RESOLUTION OF THE HYBRID BACILLUS ENDO-1,3-1,4-BETA-D-GLUCAN 4-GLUCANOHYDROLASE H(A16-M)

The structure was published by Hahn, M., Keitel, T., and Heinemann, U., in 1995 in a paper entitled "Crystal and molecular structure at 0.16-nm resolution of the hybrid Bacillus endo-1,3-1,4-beta-D-glucan 4-glucanohydrolase H(A16-M)." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.6 Å and deposited in 1995.

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

The PDB entry contains the structure of 1,3-1,4-BETA-D-GLUCAN 4-GLUCANOHYDROLASE. This molecule has the UniProt identifier P23904 (GUB_PAEMA)search. The sample contained 214 residues which is 94% of the natural sequence. Out of 214 residues 214 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 1,3-1,4-BETA-D-GLUCAN 4-GLUCANOHYDROLASE P23904 (37-237) (GUB_PAEMA)search Paenibacillus maceranssearch 93% 214 100%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P23904 (37 - 237) 1,3-1,4-BETA-D-GLUCAN 4-GLUCANOHYDROLASE hybrid

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A (P23904) Glycosyl hydrolases family 16search Jelly Rollssearch PF00722: Glycosyl hydrolases family 16search

Chain ID Molecular function (GO) Biological process (GO)
A (P23904) hydrolase activity, hydrolyzing O-glycosyl compoundssearch hydrolase activitysearch hydrolase activity, acting on glycosyl bondssearch licheninase activitysearch carbohydrate metabolic processsearch metabolic processsearch

Chain InterPro annotation
A Glycoside hydrolase, family 16search Glycoside hydrolase, family 16, active sitesearch Beta-glucanasesearch search Concanavalin A-like lectin/glucanase domainsearch