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3.A.1.19.1
Thiamin, thiamin monophosphate and thiamin pyrophosphate porter. The 2.25 Å structure of ThiB (TbpA) has been solved (Soriano et al., 2008).

Accession Number:P31550
Protein Name:TbpA aka ThiB aka B0068
Length:327
Molecular Weight:36163.00
Species:Escherichia coli [83333]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Periplasm1
Substrate thiamine(1+), thiamine(1+) monophosphate, thiamine(1+) diphosphate

Cross database links:

DIP: DIP-10967N
RefSeq: AP_000732.1    NP_414610.1   
Entrez Gene ID: 946306   
Pfam: PF01547   
BioCyc: EcoCyc:SFUA-MONOMER    ECOL168927:B0068-MONOMER   
KEGG: ecj:JW0067    eco:b0068   

Gene Ontology

GO:0030288 C:outer membrane-bounded periplasmic space
GO:0005524 F:ATP binding
GO:0042626 F:ATPase activity, coupled to transmembrane m...
GO:0006810 P:transport

References (4)

[1] “Systematic sequencing of the Escherichia coli genome: analysis of the 0-2.4 min region.”  Yura T.et.al.   1630901
[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] “thiBPQ encodes an ABC transporter required for transport of thiamine and thiamine pyrophosphate in Salmonella typhimurium.”  Webb E.et.al.   9535878
Structure:
2QRY     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MLKKCLPLLL LCTAPVFAKP VLTVYTYDSF AADWGPGPVV KKAFEADCNC ELKLVALEDG 
61:	VSLLNRLRME GKNSKADVVL GLDNNLLDAA SKTGLFAKSG VAADAVNVPG GWNNDTFVPF 
121:	DYGYFAFVYD KNKLKNPPQS LKELVESDQN WRVIYQDPRT STPGLGLLLW MQKVYGDDAP 
181:	QAWQKLAKKT VTVTKGWSEA YGLFLKGESD LVLSYTTSPA YHILEEKKDN YAAANFSEGH 
241:	YLQVEVAART AASKQPELAQ KFLQFMVSPA FQNAIPTGNW MYPVANVTLP AGFEKLTKPA 
301:	TTLEFTPAEV AAQRQAWISE WQRAVSR