Identification
Name:Tetraacyldisaccharide 4'-kinase
Synonyms:
  • Lipid A 4'-kinase
Gene Name:lpxK
Enzyme Class:
Biological Properties
General Function:Involved in ATP binding
Specific Function:Transfers the gamma-phosphate of ATP to the 4'-position of a tetraacyldisaccharide 1-phosphate intermediate (termed DS-1- P) to form tetraacyldisaccharide 1,4'-bis-phosphate (lipid IVA)
Cellular Location:Not Available
SMPDB Pathways:
KEGG Pathways:
KEGG Reactions:
1.0Thumb+1.0Thumb1.0Thumb+1.0Thumb
SMPDB Reactions:
1.0(2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl)-(1->6)-(2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl phosphate)+1.0Thumb1.0Adenosine diphosphate+1.0Thumb+1.0Thumb+1.0Thumb
1.0(2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl)-(1->6)-(2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl phosphate) + 1.0Adenosine triphosphate → 1.0Adenosine diphosphate + 1.0Hydrogen ion + 1.0(2-N,3-O-bis(3-Hydroxytetradecanoyl)-4-O-phosphono-beta-D-glucosaminyl)-(1->6)-(2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl phosphate) + 1.0ADP
ReactionCard
EcoCyc Reactions:
1.0Thumb+1.0Thumb1.0Thumb+1.0lipid IVA+1.0Thumb
Complex Reactions:
1.0Thumb+1.0Thumb1.0Thumb+1.0Thumb+1.0Thumb
Metabolites:
ECMDB IDNameView
ECMDB23091(2-N,3-O-bis(3-Hydroxytetradecanoyl)-4-O-phosphono-beta-D-glucosaminyl)-(1->6)-(2-N,3-O-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl phosphate)MetaboCard
ECMDB200562,3,2',3'-Tetrakis(3-hydroxytetradecanoyl)-D-glucosaminyl-1,6-beta-D-glucosamine 1-phosphateMetaboCard
ECMDB200572,3,2'3'-Tetrakis(3-hydroxytetradecanoyl)-D-glucosaminyl-1,6-beta-D-glucosamine 1,4'-bisphosphateMetaboCard
ECMDB211362,3,2'3'-Tetrakis(beta-hydroxymyristoyl)-D-glucosaminyl-1,6-beta-D-glucosamine 1,4'-bisphosphateMetaboCard
ECMDB00538Adenosine triphosphateMetaboCard
ECMDB01341ADPMetaboCard
ECMDB21225Hydrogen ionMetaboCard
GO Classification:
Function
adenyl nucleotide binding
adenyl ribonucleotide binding
ATP binding
binding
catalytic activity
kinase activity
nucleoside binding
purine nucleoside binding
tetraacyldisaccharide 4'-kinase activity
transferase activity
transferase activity, transferring phosphorus-containing groups
Process
lipid A biosynthetic process
metabolic process
organophosphate metabolic process
phospholipid biosynthetic process
phospholipid metabolic process
Gene Properties
Blattner:b0915
Gene OrientationClockwise
Centisome Percentage:20.85
Left Sequence End967589
Right Sequence End968575
Gene Sequence:
>987 bp
ATGATCGAAAAAATCTGGTCTGGTGAATCCCCTTTGTGGCGGCTATTGCTGCCACTCTCC
TGGTTGTATGGCCTGGTGAGTGGCGCGATCCGTCTTTGCTATAAACTAAAACTGAAGCGC
GCCTGGCGTGCCCCCGTACCGGTTGTCGTGGTTGGTAATCTCACCGCAGGCGGCAACGGA
AAAACCCCGGTCGTTGTCTGGCTGGTGGAACAGTTGCAACAGCGCGGTATTCGCGTGGGG
GTCGTATCGCGGGGATATGGTGGTAAGGCTGAATCTTATCCGCTGTTATTGTCGGCAGAT
ACCACAACAGCACAGGCGGGTGATGAACCTGTGTTGATTTATCAACGCACTGATGCGCCT
GTTGCGGTTTCTCCCGTTCGTTCTGATGCGGTAAAAGCCATTCTGGCGCAACACCCTGAT
GTGCAGATCATCGTAACCGACGACGGTTTACAGCATTACCGTCTGGCGCGTGATGTGGAA
ATTGTCGTTATTGATGGTGTGCGTCGCTTTGGCAATGGCTGGTGGTTGCCGGCGGGGCCA
ATGCGTGAGCGAGCGGGGCGCTTAAAGTCGGTTGATGCGGTAATCGTCAACGGCGGTGTC
CCTCGCAGCGGTGAAATCCCCATGCATCTGCTGCCGGGTCAGGCGGTGAATTTACGTACC
GGTACGCGTTGTGACGTTGCTCAGCTTGAACATGTAGTGGCGATGGCGGGGATTGGGCAT
CCGCCGCGCTTTTTTGCCACGCTGAAGATGTGTGGCGTACAACCGGAAAAATGTGTACCG
CTGGCCGATCATCAGTCTTTGAACCATGCGGATGTCAGTGCGTTGGTAAGCGCCGGGCAA
ACGCTGGTAATGACTGAAAAAGATGCGGTGAAATGCCGGGCCTTTGCAGAAGAAAATTGG
TGGTATTTGCCTGTAGACGCACAGCTTTCAGGTGATGAACCAGCGAAACTGCTTACGCAA
CTAACCTTGCTGGCTTCTGGCAACTAG
Protein Properties
Pfam Domain Function:
Protein Residues:328
Protein Molecular Weight:35589
Protein Theoretical pI:9
Signaling Regions:
  • None
Transmembrane Regions:
  • None
Protein Sequence:
>Tetraacyldisaccharide 4'-kinase
MIEKIWSGESPLWRLLLPLSWLYGLVSGAIRLCYKLKLKRAWRAPVPVVVVGNLTAGGNG
KTPVVVWLVEQLQQRGIRVGVVSRGYGGKAESYPLLLSADTTTAQAGDEPVLIYQRTDAP
VAVSPVRSDAVKAILAQHPDVQIIVTDDGLQHYRLARDVEIVVIDGVRRFGNGWWLPAGP
MRERAGRLKSVDAVIVNGGVPRSGEIPMHLLPGQAVNLRTGTRCDVAQLEHVVAMAGIGH
PPRFFATLKMCGVQPEKCVPLADHQSLNHADVSALVSAGQTLVMTEKDAVKCRAFAEENW
WYLPVDAQLSGDEPAKLLTQLTLLASGN
References
External Links:
ResourceLink
Uniprot ID:P27300
Uniprot Name:LPXK_ECOLI
GenBank Gene ID:AP009048
Genebank Protein ID:4062487
Ecogene ID:EG11409
Ecocyc:EG11409
ColiBase:b0915
Kegg Gene:b0915
EchoBASE ID:EB1381
CCDB:LPXK_ECOLI
BacMap:16128882
General Reference:
  • Blattner, F. R., Plunkett, G. 3rd, Bloch, C. A., Perna, N. T., Burland, V., Riley, M., Collado-Vides, J., Glasner, J. D., Rode, C. K., Mayhew, G. F., Gregor, J., Davis, N. W., Kirkpatrick, H. A., Goeden, M. A., Rose, D. J., Mau, B., Shao, Y. (1997). "The complete genome sequence of Escherichia coli K-12." Science 277:1453-1462. Pubmed: 9278503
  • Garrett, T. A., Kadrmas, J. L., Raetz, C. R. (1997). "Identification of the gene encoding the Escherichia coli lipid A 4'-kinase. Facile phosphorylation of endotoxin analogs with recombinant LpxK." J Biol Chem 272:21855-21864. Pubmed: 9268317
  • Garrett, T. A., Que, N. L., Raetz, C. R. (1998). "Accumulation of a lipid A precursor lacking the 4'-phosphate following inactivation of the Escherichia coli lpxK gene." J Biol Chem 273:12457-12465. Pubmed: 9575203
  • Hayashi, K., Morooka, N., Yamamoto, Y., Fujita, K., Isono, K., Choi, S., Ohtsubo, E., Baba, T., Wanner, B. L., Mori, H., Horiuchi, T. (2006). "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Mol Syst Biol 2:2006.0007. Pubmed: 16738553
  • Karow, M., Georgopoulos, C. (1993). "The essential Escherichia coli msbA gene, a multicopy suppressor of null mutations in the htrB gene, is related to the universally conserved family of ATP-dependent translocators." Mol Microbiol 7:69-79. Pubmed: 8094880
  • Oshima, T., Aiba, H., Baba, T., Fujita, K., Hayashi, K., Honjo, A., Ikemoto, K., Inada, T., Itoh, T., Kajihara, M., Kanai, K., Kashimoto, K., Kimura, S., Kitagawa, M., Makino, K., Masuda, S., Miki, T., Mizobuchi, K., Mori, H., Motomura, K., Nakamura, Y., Nashimoto, H., Nishio, Y., Saito, N., Horiuchi, T., et, a. l. .. (1996). "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." DNA Res 3:137-155. Pubmed: 8905232