1qno Summary

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The 3-D structure of a Trichoderma reesei b-mannanase from glycoside hydrolase family 5

The structure was published by Sabini, E., Schubert, H., Murshudov, G., Wilson, K.S., Siika-Aho, M., and Penttila, M., in 2000 in a paper entitled "The Three-Dimensional Structure of a Trichoderma Reesei Beta-Mannanase from Glycoside Hydrolase Family 5." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.0 Å and deposited in 1999.

The experimental data on which the structure is based was not deposited.

The PDB entry contains the structure of ENDO-1,4-B-D-MANNANASE. This molecule has the UniProt identifier Q99036 (Q99036_HYPJE)search. The sample contained 344 residues which is < 90% of the natural sequence. Out of 344 residues 344 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 ENDO-1,4-B-D-MANNANASE Q99036 (28-371) (Q99036_HYPJE)search Trichoderma reeseisearch < 90% 344 100%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
Q99036 (28 - 371) ENDO-1,4-B-D-MANNANASE Trichoderma reesei

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A beta-glycanasessearch Glycosidasessearch Cellulase (glycosyl hydrolase family 5)search

Chain ID Biological process (GO) Molecular function (GO)
A (Q99036) carbohydrate metabolic processsearch hydrolase activity, hydrolyzing O-glycosyl compoundssearch

Chain InterPro annotation
A Glycoside hydrolase, family 5search Glycoside hydrolase, catalytic domainsearch Glycoside hydrolase superfamilysearch