Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

5ZLE

Human duodenal cytochrome b (Dcytb) in substrate free form

Functional Information from GO Data
ChainGOidnamespacecontents
A0005515molecular_functionprotein binding
A0005765cellular_componentlysosomal membrane
A0005886cellular_componentplasma membrane
A0006879biological_processintracellular iron ion homeostasis
A0016020cellular_componentmembrane
A0016324cellular_componentapical plasma membrane
A0016491molecular_functionoxidoreductase activity
A0016722molecular_functionoxidoreductase activity, acting on metal ions
A0031526cellular_componentbrush border membrane
A0033215biological_processreductive iron assimilation
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0055085biological_processtransmembrane transport
A0060586biological_processmulticellular organismal-level iron ion homeostasis
A0070062cellular_componentextracellular exosome
A0140571molecular_functiontransmembrane ascorbate ferrireductase activity
A0140575molecular_functiontransmembrane monodehydroascorbate reductase activity
A0140576biological_processascorbate homeostasis
Functional Information from PDB Data
site_idAC1
Number of Residues20
Detailsbinding site for residue HEM A 401
ChainResidue
ATRP30
AMET116
ASER118
AHIS120
ASER121
AVAL170
ATHR173
AALA174
AGLY177
ALEU178
AGLU180
APHE47
ALYS181
AHIS50
APRO51
AMET54
AVAL104
APHE105
AHIS108
AASN115

site_idAC2
Number of Residues16
Detailsbinding site for residue HEM A 402
ChainResidue
AILE66
ATYR69
AARG70
ALYS79
AHIS86
AASN90
ATYR131
AGLN134
AGLY138
APHE139
APHE142
ALEU143
AMET156
AHIS159
AVAL160
ALYS225

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=1","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues43
DetailsTopological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues21
DetailsTransmembrane: {"description":"Helical; Name=2","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues14
DetailsTopological domain: {"description":"Cytoplasmic","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues26
DetailsTransmembrane: {"description":"Helical; Name=3","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues25
DetailsTransmembrane: {"description":"Helical; Name=4","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues27
DetailsTransmembrane: {"description":"Helical; Name=5","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues24
DetailsTransmembrane: {"description":"Helical; Name=6","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues205
DetailsDomain: {"description":"Cytochrome b561","evidences":[{"source":"PROSITE-ProRule","id":"PRU00242","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues4
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"30272000","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"5ZLE","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5ZLG","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

PDB statisticsPDBj update infoContact PDBjnumon