Protein Info for EX28DRAFT_2385 in Enterobacter asburiae PDN3

Annotation: choline/carnitine/betaine transport

These analyses and tools can help you predict a protein's function, but be skeptical. For enzymes, over 10% of annotations from KEGG or SEED are probably incorrect. For other types of proteins, the error rates may be much higher. MetaCyc and Swiss-Prot have low error rates, but the best hits in these databases are often quite distant, so this protein's function may not be the same. TIGRFam has low error rates. Finally, many experimentally-characterized proteins are not in any of these databases. To find relevant papers, use PaperBLAST.

Protein Families and Features

1 50 100 150 200 250 300 350 400 450 500 550 600 650 677 transmembrane" amino acids 16 to 35 (20 residues), see Phobius details amino acids 55 to 76 (22 residues), see Phobius details amino acids 93 to 114 (22 residues), see Phobius details amino acids 144 to 166 (23 residues), see Phobius details amino acids 194 to 217 (24 residues), see Phobius details amino acids 232 to 253 (22 residues), see Phobius details amino acids 265 to 289 (25 residues), see Phobius details amino acids 320 to 338 (19 residues), see Phobius details amino acids 350 to 369 (20 residues), see Phobius details amino acids 405 to 431 (27 residues), see Phobius details amino acids 449 to 471 (23 residues), see Phobius details amino acids 478 to 497 (20 residues), see Phobius details PF02028: BCCT" amino acids 17 to 503 (487 residues), 593.8 bits, see alignment E=1.1e-182 TIGR00842: transporter, betaine/carnitine/choline transporter (BCCT) family" amino acids 55 to 503 (449 residues), 604.1 bits, see alignment E=7.7e-186

Best Hits

Swiss-Prot: 96% identical to BETT_ECOLI: High-affinity choline transport protein (betT) from Escherichia coli (strain K12)

KEGG orthology group: K02168, high-affinity choline transport protein (inferred from 96% identity to eco:b0314)

MetaCyc: 96% identical to choline:H+ symporter (Escherichia coli K-12 substr. MG1655)
TRANS-RXN-99

Predicted SEED Role

"High-affinity choline uptake protein BetT" in subsystem Choline and Betaine Uptake and Betaine Biosynthesis

Sequence Analysis Tools

PaperBLAST (search for papers about homologs of this protein)

Search CDD (the Conserved Domains Database, which includes COG and superfam)

Compare to protein structures

Predict protein localization: PSORTb (Gram-negative bacteria)

Predict transmembrane helices and signal peptides: Phobius

Check the current SEED with FIGfam search

Find homologs in fast.genomics or the ENIGMA genome browser

Find the best match in UniProt

Protein Sequence (677 amino acids)

>EX28DRAFT_2385 choline/carnitine/betaine transport (Enterobacter asburiae PDN3)
MTDLSQDREKDKINPVVFYTSAGLILLFSLTTIFFRDFSAEWIGRTLNWVSKTFGWYYLL
AATLYIVFVVCIACSRFGSVKLGPEQSKPEFSLLSWAAMLFAAGIGIDLMFFSVAEPVTQ
YMQPPEGAGQTMEAARQAMVWTLFHYGLTGWSMYALMGMALGYFSYRYNLPLTIRSALYP
IFGKKINGPIGHSVDIAAVIGTIFGIATTLGIGVVQLNYGLSVLFDIPDSMAAKAALIAL
SVIIATISVTSGVDKGIRVLSELNVALALGLILFVLFMGDTSFLLNALVLNVGDYVNRFM
GMTLNSFAFDRPVEWMNNWTLFFWAWWVAWSPFVGLFLARISRGRTIRQFVMGTLIIPFT
FTLLWLSIFGNSALHEIIHGNATFAQEAMAHPERGFYSLLAQYPAFTFSASVATITGLLF
YVTSADSGALVLGNFTSKLKDINSDAPNWLRIFWSVAIGLLTLGMLMTNGISALQNTTVI
MGLPFSFVIFFVMAGLYKSLKVEDYRRVSASRDTAPRPMGAQDRLSWKKRLSRLMNYPGT
RYTKQMMEAVCFPAMEEVAQELKLRGAYVELKNLPPEEGETLGHLDLLVHMGDEQNFVYQ
IWPQQYSVPGFTYRARSGKSTYYRLETFLLEGSQGNDLMDYSKEQVITDILDQYERHLNF
IHLHREAPGNSVMFPDV