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Protein

Soluble cytochrome b562

Gene

cybC

Organism
Escherichia coli
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Electron-transport protein of unknown function.

Caution

In strains K / NM522 and K12 / MG1655 the cybC gene has a 26 bp deletion and lacks the first 7 amino acids. It is not translated in those strains.Curated

Cofactori

heme bNote: Binds 1 heme b (iron(II)-protoporphyrin IX) group per molecule.

Redox potential

E0 is about +180 mV.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi29Iron (heme B axial ligand)1
Metal bindingi124Iron (heme B axial ligand)1

GO - Molecular functioni

Keywordsi

Biological processElectron transport, Transport
LigandHeme, Iron, Metal-binding

Enzyme and pathway databases

BioCyciMetaCyc:CYTOCHROME-B562-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Soluble cytochrome b562
Short name:
Cytochrome b-562
Gene namesi
Name:cybC
OrganismiEscherichia coli
Taxonomic identifieri562 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Periplasm

Pathology & Biotechi

Chemistry databases

DrugBankiDB02182 Hybrid Between B and C Type Hemes (Protoporphyrin Ixcontaining Fe)

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 221 PublicationAdd BLAST22
ChainiPRO_000000364023 – 128Soluble cytochrome b562Add BLAST106

Interactioni

Subunit structurei

Monomer.1 Publication

Protein-protein interaction databases

IntActiP0ABE7, 23 interactors

Structurei

Secondary structure

1128
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi27 – 41Combined sources15
Helixi45 – 63Combined sources19
Beta strandi70 – 73Combined sources4
Beta strandi75 – 77Combined sources3
Helixi78 – 102Combined sources25
Helixi106 – 123Combined sources18
Helixi125 – 127Combined sources3

3D structure databases

ProteinModelPortaliP0ABE7
SMRiP0ABE7
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP0ABE7

Family & Domainsi

Sequence similaritiesi

Belongs to the cytochrome b562 family.Curated

Keywords - Domaini

Signal

Phylogenomic databases

eggNOGiCOG3783 LUCA
HOGENOMiHOG000127440

Family and domain databases

InterProiView protein in InterPro
IPR009155 Cyt_b562
IPR010980 Cyt_c/b562
PfamiView protein in Pfam
PF07361 Cytochrom_B562, 1 hit
PIRSFiPIRSF000029 Cytochrome_b562, 1 hit
SUPFAMiSSF47175 SSF47175, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P0ABE7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MRKSLLAILA VSSLVFSSAS FAADLEDNME TLNDNLKVIE KADNAAQVKD
60 70 80 90 100
ALTKMRAAAL DAQKATPPKL EDKSPDSPEM KDFRHGFDIL VGQIDDALKL
110 120
ANEGKVKEAQ AAAEQLKTTR NAYHQKYR
Length:128
Mass (Da):14,061
Last modified:October 25, 2005 - v1
Checksum:iD7D822AC8FEED751
GO

Sequence cautioni

The sequence AAA97133 differs from that shown. Reason: Erroneous initiation.Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
S74736 Genomic DNA Translation: AAB20782.1
X67290 Genomic DNA Translation: CAA47706.1
U14003 Genomic DNA Translation: AAA97133.1 Different initiation.
PIRiS19544 CBEC62
RefSeqiWP_001232240.1, NZ_QBRX01000004.1

Similar proteinsi

Entry informationi

Entry nameiC562_ECOLX
AccessioniPrimary (citable) accession number: P0ABE7
Secondary accession number(s): P00192, P76805, Q8XCE3
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: October 25, 2005
Last modified: July 18, 2018
This is version 105 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

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