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2.A.29.8.6
The mitochondrial basic amino acid transporter, in mBAC1 (transports the basic L-amino acids arginine, lysine, ornithine, and histidine in order of decreasing affinity; does not transport citrulline; expressed in stems, leaves, flowers, siliques, and seedlings; Km for arg=0.2mM) (Hoyos et al., 2003)

Accession Number:Q84UC7
Protein Name:mBAC1
Length:311
Molecular Weight:33727.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Plastid1 / Multi-pass membrane protein2
Substrate L-lysine, L-ornithine, L-arginine, L-histidine

Cross database links:

RefSeq: NP_180938.2   
Entrez Gene ID: 817949   
Pfam: PF00153   
KEGG: ath:AT2G33820   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005743 C:mitochondrial inner membrane
GO:0015181 F:arginine transmembrane transporter activity
GO:0005488 F:binding
GO:0005290 F:L-histidine transmembrane transporter activity
GO:0015189 F:L-lysine transmembrane transporter activity
GO:0000064 F:L-ornithine transmembrane transporter activity
GO:0055085 P:transmembrane transport

References (1)

[1] “Sequence and analysis of chromosome 2 of the plant Arabidopsis thaliana.”  Lin X.et.al.   10617197

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MGESKTTTGE GFGFYKEYVA GMMAGLATVA VGHPFDTVKV KLQKHNTDVQ GLRYKNGLHC 
61:	ASRILQTEGV KGLYRGATSS FMGMAFESSL MFGIYSQAKL FLRGTLPDDG PRPEIIVPSA 
121:	MFGGAIISFV LCPTELVKCR MQIQGTDSLV PNFRRYNSPL DCAVQTVKND GVTGIFRGGS 
181:	ATLLRECTGN AVFFTVYEYL RYHIHSRLED SKLKDGYLVD MGIGVLTGGL GGIACWSAVL 
241:	PFDVAKTIIQ TSSEKATERN PFKVLSSIHK RAGLKGCYAG LGPTIVRAFP ANAAAIVAWE 
301:	FSMKMLGIKR D