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2.A.1.8.13
High affinity nitrate/nitrite antiporter and uptake porter, NrtB (Unkles et al., 1991; 2011; Wang et al. 2008).

Accession Number:Q8X193
Protein Name:High affinity nitrate transporter NrtB
Length:497
Molecular Weight:53732.00
Species:Emericella nidulans [162425]
Number of TMSs:12
Substrate nitrite, nitrate

Cross database links:

Entrez Gene ID: 2876177   
Pfam: PF07690   
KEGG: ani:AN0399.2   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0015103 F:inorganic anion transmembrane transporter activity

References (1)

[1] “Apparent genetic redundancy facilitates ecological plasticity for nitrate transport.”  Unkles S.E.et.al.   11707396

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MKPTQVLRLA VAAPDVNPQT RKARSIPVLN PFDLYGRVFF FSWIGFLVAF LSWYAFPPLL 
61:	SVTIKKDLHM SQDDVANSNI VALLGTFVMR FIAGPLCDRF GPRLVFVGLL ICGAVPTAMA 
121:	GLVTTPQGLI ALRFFVGILG ATFVPCQVWC TGFFDKNIVG TANSLAGGFG NAGGGITYFV 
181:	MPAIYDSFVH DRGLTPHKAW RVSYIVPFII IVSIALAMLF TCPDTPTGKW ADREKTSGQS 
241:	IVDLSSTPNA SSANSINISS DEKKAVHPEV TDSEAQVHVR AGQIESSDAV IEAPTIKRYL 
301:	SIALDPSALA VAVPYACSFG AELAINSILG AYYLLNFPLL GQTQSGRWAS MFGLVNVVFR 
361:	PMGGFIADLI YARTNSVWAK KMWLVVLGLA MSGMAILIGF LDPHRESVMF GLVVLMAFFI 
421:	AASNGANFAI VPHVHPSANG IVSGIVGGMG NFGGIIFAIV FRYNGTQYHR SLWIIGFIIL 
481:	GCTLFFSWVR PVPKQNH