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B6db families: a
Description Tyrosine decarboxylase. (family a)
Notes This family has been constructed around three validated bacterial sequences, but it also includes a closely homolog archaeal sequence.
Fungi and unicellular eukaryotes contain similar sequences, usually as part of larger multidomain proteins, but none of the gene products has been functionally validated.
Plant enzymes with tyrosine decarboxylase activity have been included into EC (Aromatic amino acid decarboxylase).
PLP Fold Type I
PLP-dependent Domain
Domain alignment
Domain hmm
Fold type I

Number of sequences
Sequences in seed alignment
ArchaeaYP_001030487 (Methanocorpusculum labreanum Z);
BacteriaAAN77279 (Lactobacillus brevis); AAM46082 (Enterococcus faecalis); YP_632071 (Myxococcus xanthus); NP_929587 (Photorhabdus luminescens); ZP_00037324 (Enterococcus faecium); BAD93616 (Tetragenococcus halophilus); AQ73505 (Carnobacterium divergens); CAF33980 (Lactococcus lactis); ZP_01233774 (Vibrio angustum);

DISPLAY: Fasta format, alignment, hmm, hmm_local

Reference sequence AAM46082
Domain interval 57-513
Catalytic site 392 K
 Marcobal A, de las Rivas B, Muñoz R. (2006) First genetic characterization of a bacterial beta-phenylethylamine biosynthetic enzyme in Enterococcus faecium RM58 FEMS Microbiol Lett 258 144-9.

 Fernández M, Linares DM, Alvarez MA. (2004) Sequencing of the tyrosine decarboxylase cluster of Lactococcus lactis IPLA 655 and the development of a PCR method for detecting tyrosine decarboxylating lactic acid bacteria J Food Prot 67 2521-9.

 Connil, N.; Le Breton, Y.; Dousset, X.; Auffray, Y.; Rince, A.; Prevost, H. (2002) Identification of the Enterococcus faecalis tyrosine decarboxylase operon involved in tyramine production Appl Environ Microbiol 68 3537-44.

 Lucas, P.; Lonvaud-Funel, A. (2002) Purification and partial gene sequence of the tyrosine decarboxylase of Lactobacillus brevis IOEB 9809 FEMS Microbiol Lett 211 85-9.

Articles on
last changed 2008/01/29 12:43

B6db families