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5NC4

Crystal structure of the ferric enterobactin receptor (PfeA) in complex with protochelin from Pseudomonas aeruginosa

Functional Information from GO Data
ChainGOidnamespacecontents
A0006811biological_processmonoatomic ion transport
A0006826biological_processiron ion transport
A0009279cellular_componentcell outer membrane
A0015343molecular_functionsiderophore-iron transmembrane transporter activity
A0015344molecular_functionsiderophore uptake transmembrane transporter activity
A0015891biological_processsiderophore transport
A0019867cellular_componentouter membrane
A0033214biological_processsiderophore-iron import into cell
A0038023molecular_functionsignaling receptor activity
A0042912molecular_functioncolicin transmembrane transporter activity
A0042930biological_processenterobactin transport
A0042931molecular_functionenterobactin transmembrane transporter activity
A0043213biological_processbacteriocin transport
A0044718biological_processsiderophore transmembrane transport
A1903981molecular_functionenterobactin binding
Functional Information from PDB Data
site_idAC1
Number of Residues3
Detailsbinding site for residue FE A 801
ChainResidue
AGLY324
AGLY325
A8T2802

site_idAC2
Number of Residues11
Detailsbinding site for residue 8T2 A 802
ChainResidue
AARG480
AGLY481
AGLN482
AVAL695
AFE801
AGLN219
AASN268
AGLY324
AGLY325
ATHR326
ASER479

Functional Information from PROSITE/UniProt
site_idPS01156
Number of Residues18
DetailsTONB_DEPENDENT_REC_2 TonB-dependent receptor (TBDR) proteins signature 2. AtynEpGRtFyTSLtAsF
ChainResidueDetails
AALA704-PHE721

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues567
DetailsDomain: {"description":"TBDR beta-barrel","evidences":[{"source":"PROSITE-ProRule","id":"PRU01360","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues66
DetailsRegion: {"description":"Disordered","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues17
DetailsMotif: {"description":"TonB C-terminal box"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues23
DetailsCompositional bias: {"description":"Polar residues","evidences":[{"source":"SAM","id":"MobiDB-lite","evidenceCode":"ECO:0000256"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

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