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3.A.1.107.2
The mitochondrial ABC transporter involved in cytochrome c maturation, CcmA/CcmB. (Note: CcmA is nuclearly encoded while CcmB is mitochondrially encoded) (Rayapuram et al., 2007)

Accession Number:P93280
Protein Name:CcmB
Length:206
Molecular Weight:23635.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:5
Location1 / Topology2 / Orientation3: Mitochondrion membrane1 / Multi-pass membrane protein2
Substrate Cytochrome c precursors

Cross database links:

Genevestigator: P93280
HEGENOM: HBG318998
RefSeq: NP_085482.1   
Entrez Gene ID: 814572   
Pfam: PF03379   
KEGG: ath:ArthMp010   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0031966 C:mitochondrial membrane
GO:0015232 F:heme transporter activity
GO:0017004 P:cytochrome complex assembly
GO:0015886 P:heme transport

References (3)

[1] “The mitochondrial genome of Arabidopsis thaliana contains 57 genes in 366,924 nucleotides.”  Unseld M.et.al.   8988169
[2] “RNA editing in Arabidopsis mitochondria effects 441 C to U changes in ORFs.”  Giege P.et.al.   10611383
[3] “Plant ABC proteins - a unified nomenclature and updated inventory.”  Verrier P.J.et.al.   18299247

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:	MRRLFFELYY KLIFSSTPIT SFSLFLLYIV VTPLMLGFEK DFLCHFHLGL IWISLLFSFL 
61:	SALFFRNEKE DGTLELYYLS TYCLPKILLL QLVGHWVIQI SCVFCGFPML QLLYQFGRSG 
121:	MDWLNILLGS LVLTLLCGIH SCLALGITSS SGWNSSQNLT TLPTLLPLTV FCTSIETEWF 
181:	HVLLLIGYFF LFVSLFPISV SISLQD