1a4q Summary



The structure was published by Taylor, N.R., Cleasby, A., Singh, O., et al., Bethell, R., Colman, P., and Varghese, J., in 1998 in a paper entitled "Dihydropyrancarboxamides related to zanamivir: a new series of inhibitors of influenza virus sialidases. 2. Crystallographic and molecular modeling study of complexes of 4-amino-4H-pyran-6-carboxamides and sialidase from influenza virus types A and B." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 1.9 Å and deposited in 1998.

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

This PDB entry contains multiple copies of the structure of NEURAMINIDASE.

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 most likely forms homotetramers.

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 NEURAMINIDASE P27907 (76-465) (NRAM_INBBE)search Influenza B virus (STRAIN B/BEIJING/1/87)search < 90% 390 100%
B NEURAMINIDASE P27907 (76-465) (NRAM_INBBE)search Influenza B virus (STRAIN B/BEIJING/1/87)search < 90% 390 100%

This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P27907 (76 - 465) NEURAMINIDASE Influenza B virus (STRAIN B/BEIJING/1/87)

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B Sialidases (neuraminidases)search Neuraminidasesearch Neuraminidasesearch

Chain ID Biological process (GO) Molecular function (GO) Cellular component (GO)
A, B (P27907) carbohydrate metabolic processsearch exo-alpha-sialidase activitysearch host cell membranesearch virion membranesearch membranesearch

Chain InterPro annotation
A, B Glycoside hydrolase, family 34search Sialidasessearch