1U77

Crystal Structure of Ammonia Channel AmtB from E. Coli

Summary for 1U77

DescriptorProbable ammonium transporter (2 entities in total)
Functional Keywordsright handed helical bundle, transmembrane helices, membrane channel, ammonia channel, transport protein
Biological sourceEscherichia coli
Cellular locationCell inner membrane; Multi-pass membrane protein P69681
Total number of polymer chains1
Total molecular weight40434.96
Authors
Khademi, S.,O'Connell III, J.,Remis, J.,Robles-Colmenares, Y.,Miercke, L.J.W.,Stroud, R.M. (deposition date: 2004-08-02, release date: 2004-09-21, Last modification date: 2011-07-13)
Primary citation
Khademi, S.,O'Connell III, J.,Remis, J.,Robles-Colmenares, Y.,Miercke, L.J.W.,Stroud, R.M.
Mechanism of ammonia transport by Amt/MEP/Rh: structure of AmtB at 1.35 A
Science, 305:1587-1594, 2004
PubMed: 15361618 (PDB entries with the same primary citation)
DOI: 10.1126/science.1101952
MImport into Mendeley
Experimental method
X-RAY DIFFRACTION (2 Å)
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Structure validation

RfreeClashscoreRamachandran outliersSidechain outliersRSRZ outliers0.214140.3%3.2%4.8%MetricValuePercentile RanksWorseBetterPercentile relative to all X-ray structuresPercentile relative to X-ray structures of similar resolution

More Asymmetric unit images

Molmil generated image of 1u77
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Molmil generated image of 1u77
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Molmil generated image of 1u77
rotated about y axis by 90°

More Biological unit images

Molmil generated image of 1u77
no rotation
Molmil generated image of 1u77
rotated about x axis by 90°
Molmil generated image of 1u77
rotated about y axis by 90°
(*)In the case of coarse surface representation, the asymmetric unit is shown as red ribbon representation.
Coordinate files for Biological unit (1u77.pdb1.gz [185.43 KB])