Crystal structure of TonB in complex with FhuA, E. coli outer membrane receptor for ferrichrome

Summary for 2GRX

DescriptorFerrichrome-iron receptor, Protein tonB, 3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-4)-[L-glycero-alpha-D-manno-heptopyranose-(1-5)]3-deoxy-alpha-D-manno-oct-2-ulopyranosonic acid-(2-6)-2-amino-2,3-dideoxy-alpha-D-glucoyranose-(1-6)-2-amino-2,3-dideoxy-alpha-D-glucoyranose, ... (10 entities in total)
Functional Keywordsbeta barrel, outer membrane, heterocomplex, inter-protein beta sheet, protein-protein, metal transport
Biological sourceEscherichia coli
Total number of polymer chains4
Total molecular weight216872.03
Pawelek, P.D.,Allaire, M.,Coulton, J.W. (deposition date: 2006-04-25, release date: 2006-06-13, Last modification date: 2020-07-29)
Primary citation
Pawelek, P.D.,Croteau, N.,Ng-Thow-Hing, C.,Khursigara, C.M.,Moiseeva, N.,Allaire, M.,Coulton, J.W.
Structure of TonB in complex with FhuA, E. coli outer membrane receptor.
Science, 312:1399-1402, 2006
PubMed: 16741125 (PDB entries with the same primary citation)
DOI: 10.1126/science.1128057
MImport into Mendeley
Experimental method

Structure validation

RfreeClashscoreRamachandran outliersSidechain outliersRSRZ outliers 0.31138 5.0% 10.0% 7.6%MetricValuePercentile RanksWorseBetterPercentile relative to all X-ray structuresPercentile relative to X-ray structures of similar resolution
Download full validation reportDownload
PDB entries from 2020-10-28