3k3f Summary

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Crystal Structure of the Urea Transporter from Desulfovibrio Vulgaris

The structure was published by Levin, E.J., Quick, M., and Zhou, M., in 2009 in a paper entitled "Crystal structure of a bacterial homologue of the kidney urea transporter." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.3 Å and deposited in 2009.

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

The PDB entry contains the structure of Urea transporter. This molecule has the UniProt identifier Q72CX3 (UT_DESVH)search. The sample contained 340 residues which is 100% of the natural sequence. Out of 340 residues 332 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 most likely forms homotrimers.

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 Urea transporter Q72CX3 (2-337) (UT_DESVH)search Desulfovibrio vulgaris str. Hildenboroughsearch 99% 340 97%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
Q72CX3 (2 - 337) Urea transporter Desulfovibrio vulgaris str. Hildenborough

Chain Structural classification (CATH) Sequence family (Pfam)
A (Q72CX3) Ammonium transporter AmtB like domainssearch PF03253: Urea transportersearch

Chain ID Molecular function (GO) Cellular component (GO) Biological process (GO)
A (Q72CX3) urea transmembrane transporter activitysearch urea channel activitysearch urea bindingsearch plasma membranesearch integral component of membranesearch membranesearch intrinsic component of plasma membranesearch urea transmembrane transportsearch transportsearch protein homotrimerizationsearch

Chain InterPro annotation
A Urea transportersearch Ammonium/urea transportersearch