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2.A.29.23.3
Chloroplast thylakoid ATP/ADP antiporter, TAAC (Thuswaldner et al., 2007; Haferkamp et al., 2011).  Also transports 3'-phosphoadenosine 5'-phosphosulfate (PAPS), made in the mitochondria and exported to the cytoplasm where it is involved in several aspects of sulfur metabolism, including the biosynthesis of thiols, glucosinolates, and phytosulfokines, and therefore also named PAPST1 (Gigolashvili et al. 2012).  Expression of the PAPST1 gene is regulated by the same MYB transcription factors that also regulate the biosynthesis of sulfated secondary metabolites, glucosinolates.

Accession Number:Q9M024
Protein Name:TAAC
Length:415
Molecular Weight:45090.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:4
Location1 / Topology2 / Orientation3: Plastid1 / Multi-pass membrane protein2
Substrate 3'-phospho-5'-adenylyl sulfate, ADP, ATP

Cross database links:

RefSeq: NP_195770.1   
Entrez Gene ID: 831861   
Pfam: PF00153   
KEGG: ath:AT5G01500   

Gene Ontology

GO:0009941 C:chloroplast envelope
GO:0009535 C:chloroplast thylakoid membrane
GO:0016021 C:integral to membrane
GO:0005743 C:mitochondrial inner membrane
GO:0005347 F:ATP transmembrane transporter activity
GO:0005488 F:binding
GO:0055085 P:transmembrane transport

References (3)

[1] “Sequence and analysis of chromosome 5 of the plant Arabidopsis thaliana.”  Tabata S.et.al.   11130714
[2] “Empirical analysis of transcriptional activity in the Arabidopsis genome.”  Yamada K.et.al.   14593172
[3] “Identification, expression, and functional analyses of a thylakoid ATP/ADP carrier from Arabidopsis.”  Thuswaldner S.et.al.   17261580

External Searches:

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MGEEKSLLQF RSFPSLKTSD FALTEEPSWR LENNVSSNRR RGNKRSGGVF TNFASLSVAI 
61:	RRDRRESTFN GRNGGGGGAF ASVSVVIPKE EDEFAPTSAQ LLKNPIALLS IVPKDAALFF 
121:	AGAFAGAAAK SVTAPLDRIK LLMQTHGVRA GQQSAKKAIG FIEAITLIGK EEGIKGYWKG 
181:	NLPQVIRIVP YSAVQLFAYE TYKKLFRGKD GQLSVLGRLG AGACAGMTST LITYPLDVLR 
241:	LRLAVEPGYR TMSQVALNML REEGVASFYN GLGPSLLSIA PYIAINFCVF DLVKKSLPEK 
301:	YQQKTQSSLL TAVVAAAIAT GTCYPLDTIR RQMQLKGTPY KSVLDAFSGI IAREGVVGLY 
361:	RGFVPNALKS MPNSSIKLTT FDIVKKLIAA SEKEIQRIAD DNRKKASPNT IDEQT