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2.A.40.7.6
Adenine permease, PurP.  Also recognize with low micromolar affinity N(6)-benzoyladenine, 2,6-diaminopurine, and purine (Papakostas et al. 2013).

Accession Number:P31466
Protein Name:Probable adenine permease PurP
Length:445
Molecular Weight:46866.00
Species:Escherichia coli (strain K12) [83333]
Number of TMSs:13
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate adenine

Cross database links:

Entrez Gene ID: 948224   
Pfam: PF00860   
KEGG: eco:b3714   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0015207 F:adenine transmembrane transporter activity
GO:0015295 F:solute:hydrogen symporter activity

References (6)

[1] “DNA sequence and analysis of 136 kilobases of the Escherichia coli genome: organizational symmetry around the origin of replication.”  Burland V.D.et.al.   7686882
[2] “The complete genome sequence of Escherichia coli K-12.”  Blattner F.R.et.al.   9278503
[3] “Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110.”  Hayashi K.et.al.   16738553
[4] “Transport of nucleic acid bases into Escherichia coli.”  Burton K.et.al.   6198438
[5] “Adenine transport in Escherichia coli.”  Burton K.et.al.   8165228
[6] “Global topology analysis of the Escherichia coli inner membrane proteome.”  Daley D.O.et.al.   15919996

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MSHQHTTQTS GQGMLERVFK LREHGTTART EVIAGFTTFL TMVYIVFVNP QILGVAGMDT 
61:	SAVFVTTCLI AAFGSIMMGL FANLPVALAP AMGLNAFFAF VVVQAMGLPW QVGMGAIFWG 
121:	AIGLLLLTIF RVRYWMIANI PVSLRVGITS GIGLFIGMMG LKNAGVIVAN PETLVSIGNL 
181:	TSHSVLLGIL GFFIIAILAS RNIHAAVLVS IVVTTLLGWM LGDVHYNGIV SAPPSVMTVV 
241:	GHVDLAGSFN LGLAGVIFSF MLVNLFDSSG TLIGVTDKAG LADEKGKFPR MKQALYVDSI 
301:	SSVTGSFIGT SSVTAYIESS SGVSVGGRTG LTAVVVGLLF LLVIFLSPLA GMVPGYAAAG 
361:	ALIYVGVLMT SSLARVNWQD LTESVPAFIT AVMMPFSFSI TEGIALGFIS YCVMKIGTGR 
421:	LRDLSPCVII VALLFILKIV FIDAH