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2.A.3.2.1 Putrescine:ornithine antiporter for putrescine export; putrescine:H⁺ symporter for uptake (Igarashi and Kashiwagi 1996). Modeling tools have been used to gain information about the structures and functions of CadB and PotE in E. coli (Tomitori et al., 2012).
Accession Number:	P0AAF1
Protein Name:	Putrescine-ornithine antiporter PotE aka B0692 aka JW0679
Length:	439
Molecular Weight:	46495.00
Species:	Escherichia coli [83333]
Number of TMSs:	12
Location¹ / Topology² / Orientation³:	Cell inner membrane¹ / Multi-pass membrane protein²
Substrate	putrescine

RefSeq:	AP_001330.1 NP_415219.1
Entrez Gene ID:	945422
Pfam:	PF00324
BioCyc:	EcoCyc:POTE-MONOMER ECOL168927:B0692-MONOMER
KEGG:	ecj:JW0679 eco:b0692
Gene Ontology GO:0016021 C:integral to membrane GO:0005886 C:plasma membrane GO:0015171 F:amino acid transmembrane transporter activity GO:0015297 F:antiporter activity GO:0006865 P:amino acid transport GO:0055085 P:transmembrane transport
References (5) [1] “Coexistence of the genes for putrescine transport protein and ornithine decarboxylase at 16 min on Escherichia coli chromosome.” Kashiwagi K.et.al. 1939141 [2] “A 718-kb DNA sequence of the Escherichia coli K-12 genome corresponding to the 12.7-28.0 min region on the linkage map.” Oshima T.et.al. 8905232 [3] “The complete genome sequence of Escherichia coli K-12.” Blattner F.R.et.al. 9278503 [4] “Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110.” Hayashi K.et.al. 16738553 [5] “Global topology analysis of the Escherichia coli inner membrane proteome.” Daley D.O.et.al. 15919996

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FASTA formatted sequence

1:	MSQAKSNKMG VVQLTILTMV NMMGSGIIML PTKLAEVGTI SIISWLVTAV GSMALAWAFA 
61:	KCGMFSRKSG GMGGYAEYAF GKSGNFMANY TYGVSLLIAN VAIAISAVGY GTELLGASLS 
121:	PVQIGLATIG VLWICTVANF GGARITGQIS SITVWGVIIP VVGLCIIGWF WFSPTLYVDS 
181:	WNPHHAPFFS AVGSSIAMTL WAFLGLESAC ANTDVVENPE RNVPIAVLGG TLGAAVIYIV 
241:	STNVIAGIVP NMELANSTAP FGLAFAQMFT PEVGKVIMAL MVMSCCGSLL GWQFTIAQVF 
301:	KSSSDEGYFP KIFSRVTKVD APVQGMLTIV IIQSGLALMT ISPSLNSQFN VLVNLAVVTN 
361:	IIPYILSMAA LVIIQKVANV PPSKAKVANF VAFVGAMYSF YALYSSGEEA MLYGSIVTFL 
421:	GWTLYGLVSP RFELKNKHG

2.A.3.2.1
Putrescine:ornithine antiporter for putrescine export; putrescine:H⁺ symporter for uptake (Igarashi and Kashiwagi 1996). Modeling tools have been used to gain information about the structures and functions of CadB and PotE in E. coli (Tomitori et al., 2012).

Cross database links:

Gene Ontology

References (5)

External Searches:

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2.A.3.2.1Putrescine:ornithine antiporter for putrescine export; putrescine:H+ symporter for uptake (Igarashi and Kashiwagi 1996). Modeling tools have been used to gain information about the structures and functions of CadB and PotE in E. coli (Tomitori et al., 2012).

Cross database links:

Gene Ontology

References (5)

External Searches:

Analyze:

2.A.3.2.1
Putrescine:ornithine antiporter for putrescine export; putrescine:H⁺ symporter for uptake (Igarashi and Kashiwagi 1996). Modeling tools have been used to gain information about the structures and functions of CadB and PotE in E. coli (Tomitori et al., 2012).