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2.A.7.12.4
Golgi UDP-galactose and UDP-N-acetylglucosamine:UDP antiporter, SRF-3 (Hoflich et al., 2004).

Accession Number:Q93890
Protein Name:UDP-galactose/UDP-N-acetylglucosamine transporter aka srf3
Length:328
Molecular Weight:36445.00
Species:Caenorhabditis elegans [6239]
Number of TMSs:9
Location1 / Topology2 / Orientation3: Golgi apparatus membrane1 / Multi-pass membrane protein2
Substrate UDP, UDP-N-acetyl-alpha-D-glucosamine, UDP-alpha-D-galactose

Cross database links:

RefSeq: NP_502447.2   
Entrez Gene ID: 187393   
Pfam: PF04142   
KEGG: cel:M02B1.1   

Gene Ontology

GO:0030173 C:integral to Golgi membrane
GO:0005351 F:sugar:hydrogen symporter activity
GO:0005459 F:UDP-galactose transmembrane transporter act...
GO:0005462 F:UDP-N-acetylglucosamine transmembrane trans...
GO:0040035 P:hermaphrodite genitalia development
GO:0040011 P:locomotion
GO:0002009 P:morphogenesis of an epithelium
GO:0006898 P:receptor-mediated endocytosis
GO:0015785 P:UDP-galactose transport
GO:0015788 P:UDP-N-acetylglucosamine transport

References (3)

[1] “Loss of srf-3-encoded nucleotide sugar transporter activity in Caenorhabditis elegans alters surface antigenicity and prevents bacterial adherence.”  Hoeflich J.et.al.   15123614
[2] “Genome sequence of the nematode C. elegans: a platform for investigating biology.”  The C. elegans sequencing consortiumet.al.   9851916
[3] “srf-3, a mutant of Caenorhabditis elegans, resistant to bacterial infection and to biofilm binding, is deficient in glycoconjugates.”  Cipollo J.F.et.al.   15452127

External Searches:

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MKTAILIWLT LQNSIHTLLI RYSRAREVDA MFVSTVAVWL TEVIKCFICL FLVAQEETPR 
61:	RFIHALRTQI LEQPYDTLKV CIPAMIYIVQ NNLFYVAASH LDAATFMITS QLKIFTAAIF 
121:	TVIILRRSLN RTQWFALAVL FVGVSLVQLQ GTKAKESSGE SPFVGFVAVV VACCLSGFAG 
181:	IYFEKILKGS APVSLWMRNV QMAVFSIPAS FSAIYMQDSK TVNEYGLLYG FDSIVWLTVL 
241:	WYGVGGLSVA VCIKYADNIA KNFATSVAII LSTIGSIFLF DFIPSFTFLL GASLVIFSIF 
301:	LYSSHQSMVA ALGRLRGEIP STKEAFCL