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3.A.1.107.1
Putative heme exporter, CcmABC=CycVWZ (Note: CcmC may function independently of CcmAB) (Feissner et al., 2006; Christensen et al., 2007)

Accession Number:P30964
Protein Name:CCMB aka CycW aka BLR0468
Length:222
Molecular Weight:22668.00
Species:Bradyrhizobium japonicum [375]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate heme, ferroheme b

Cross database links:

RefSeq: NP_767108.1   
Entrez Gene ID: 1052918   
Pfam: PF03379   
BioCyc: BJAP224911:BLR0468-MONOMER   
KEGG: bja:blr0468   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0015232 F:heme transporter activity
GO:0017004 P:cytochrome complex assembly
GO:0015886 P:heme transport

References (2)

[1] “Discovery and sequence analysis of bacterial genes involved in the biogenesis of c-type cytochromes.”  Ramseier T.M.et.al.   1850420
[2] “Complete genomic sequence of nitrogen-fixing symbiotic bacterium Bradyrhizobium japonicum USDA110.”  Kaneko T.et.al.   12597275

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MTALSALIRR DIRIALRVGG GALIGVLFFL TVVVLMPFAV GPDLALLSRL GPAILWLGAL 
61:	LASLLTLDRL FMADHEDGSL DLITMSRTPL ELACAAKALA HWLAAGLPLI VATPVLGLLL 
121:	NLDMVATGAV ALTLLAGTPA LTFTGMIGAA LAVTLHRGGL LMAVLVLPLS IPVLIFGVAA 
181:	SQAVIVGPMS FGAPFSILCA LSLVSLVIGP FAAAASLRHG LD