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5.B.2.1.6
Ascorbate-specific transmembrane electron transporter 1 (Cytochrome b561-1; Zmb561)

Accession Number:Q6I681
Protein Name:Ascorbate-specific transmembrane electron transporter 1
Length:236
Molecular Weight:25425.00
Species:Zea mays (Maize) [4577]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate Electrons

Cross database links:

HEGENOM: HOG000231044
Entrez Gene ID: 100273009   
Pfam: PF03188   
KEGG: zma:100273009   

Gene Ontology

GO:0009507 C:chloroplast
GO:0016021 C:integral to membrane
GO:0005773 C:vacuole
GO:0046872 F:metal ion binding
GO:0016491 F:oxidoreductase activity
GO:0022900 P:electron transport chain
GO:0006810 P:transport

References (3)

[1] “Insights into corn genes derived from large-scale cDNA sequencing.”  Alexandrov N.N.et.al.   18937034
[2] “Importance of the conserved lysine 83 residue of Zea mays cytochrome b(561) for ascorbate-specific transmembrane electron transfer as revealed by site-directed mutagenesis studies.”  Nakanishi N.et.al.   19803484
[3] “Inhibition of electron acceptance from ascorbate by the specific N-carbethoxylations of maize cytochrome b561: a common mechanism for the transmembrane electron transfer in cytochrome b561 protein family.”  Nakanishi N.et.al.   19762344

External Searches:

  • Search: DB with
  • BLAST ExPASy (Swiss Institute of Bioinformatics (SIB) BLAST)
  • CDD Search (Conserved Domain Database)
  • Search COGs (Clusters of Orthologous Groups of proteins)
  • 2° Structure (Network Protein Sequence Analysis)

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MGLGLGVRAA PFTYAAHALA VAAAAMVLVW SIQFRGGLAI ESTNKNLIFN VHPVLMLIGY 
61:	VIIGGEAIMV YRVLPTSNHD TTKLIHLILH GIALVLGAVG IYFAFKNHNE SGIANLYSLH 
121:	SWIGIGTITL YGIQWIIGFV TFFFPGAAPN VKKGVLPWHV LFGLFVYILA LANAELGFLE 
181:	KLTFLESSGL DKYGTEAFLV NFTALVVVLF GASVVVAAIA PVRLEEPQGY DPIPEN