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3.A.1.16.1
Four component nitrate/nitrite porter (Kikuchi et al. 1996).  It's synthesis occurs in response to nitrite, not nitrate in a nitrate reductase mutant (Kikuchi et al. 1996).

Accession Number:P38045
Protein Name:NrtC
Length:659
Molecular Weight:72346.00
Species:Synechococcus sp [1140]
Location1 / Topology2 / Orientation3: Cell membrane1 / Peripheral membrane protein2
Substrate nitrate, Nitrite

Cross database links:

eggNOG: COG0715
HEGENOM: HBG438550
RefSeq: YP_400254.1   
Entrez Gene ID: 3773525   
Pfam: PF00005   
BioCyc: SELO1140:SYNPCC7942_1237-MONOMER   
KEGG: syf:Synpcc7942_   

Gene Ontology

GO:0005886 C:plasma membrane
GO:0005524 F:ATP binding
GO:0016887 F:ATPase activity
GO:0015112 F:nitrate transmembrane transporter activity
GO:0042128 P:nitrate assimilation
GO:0015706 P:nitrate transport

References (1)

[1] “Identification and characterization of a gene cluster involved in nitrate transport in the cyanobacterium Synechococcus sp. PCC7942.”  Omata T.et.al.   8437564

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:	MSVFLAVDHV HQVFDLPGGG QYIALKDVSL NIRPGEFISL IGHSGCGKST LLNLIAGLAQ 
61:	PSSGGIILEG RQVTEPGPDR MVVFQNYSLL PWRTVRQNIA LAVDSVLHDR NRTERRTIIE 
121:	ETIDLVGLRA AADKYPHEIS GGMKQRVAIA RGLAIRPKLL LLDEPFGALD ALTRGNLQEQ 
181:	LMRICQEAGV TAVMVTHDVD EALLLSDRVV MLTNGPAAQI GQILEVDFPR PRQRLEMMET 
241:	PHYYDLRNEL INFLQQQRRA KRRAKAAAPA PAVAASQQKT VRLGFLPGND CAPLAIAQEL 
301:	GLFQDLGLSV ELQSFLTWEA LEDSIRLGQL EGALMMAAQP LAMTMGLGGH RPFAIATPLT 
361:	VSRNGGAIAL SRRYLNAGVR SLEDLCQFLA ATPQRLRLAI PDPIAMPALL LRYWLASAGL 
421:	NPEQDVELVG MSPYEMVEAL KAGDIDGFAA GEMRIALAVQ AGAAYVLATD LDIWAGHPEK 
481:	VLGLPEAWLQ VNPETAIALC SALLKAGELC DDPRQRDRIV EVLQQPQYLG SAAGTVLQRY 
541:	FDFGLGDEPT QILRFNQFHV DQANYPNPLE GTWLLTQLCR WGLTPLPKNR QELLDRVYRR 
601:	DIYEAAIAAV GFPLITPSQR GFELFDAVPF DPDSPLRYLE QFEIKAPIQV APIPLATSA