DBNBT_TAXCA
ID DBNBT_TAXCA Reviewed; 441 AA.
AC Q8LL69;
DT 22-FEB-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 03-AUG-2022, entry version 49.
DE RecName: Full=3'-N-debenzoyl-2'-deoxytaxol N-benzoyltransferase {ECO:0000303|PubMed:12089320};
DE Short=DBTNBT {ECO:0000303|PubMed:12089320};
DE EC=2.3.1.- {ECO:0000269|PubMed:12089320};
GN Name=TAX10 {ECO:0000303|PubMed:12089320};
OS Taxus canadensis (Canadian yew).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Pinopsida; Pinidae; Conifers II; Cupressales; Taxaceae;
OC Taxus.
OX NCBI_TaxID=88032;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, CATALYTIC ACTIVITY, AND
RP BIOPHYSICOCHEMICAL PROPERTIES.
RX PubMed=12089320; DOI=10.1073/pnas.082115799;
RA Walker K., Long R., Croteau R.B.;
RT "The final acylation step in taxol biosynthesis: cloning of the taxoid C13-
RT side-chain N-benzoyltransferase from Taxus.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:9166-9171(2002).
CC -!- FUNCTION: Catalyzes the stereoselective coupling of the surrogate
CC substrate N-debenzoyl-(3'RS)-2'-deoxytaxol with benzoyl-CoA to form
CC predominantly one 3'-epimer of 2'-deoxytaxol (PubMed:12089320). This
CC enzymatic reaction constitutes the final acylation in the taxol
CC biosynthetic pathway (PubMed:12089320). {ECO:0000269|PubMed:12089320}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3'-N-debenzoyltaxol + benzoyl-CoA = CoA + H(+) + taxol;
CC Xref=Rhea:RHEA:33687, ChEBI:CHEBI:15378, ChEBI:CHEBI:45863,
CC ChEBI:CHEBI:57287, ChEBI:CHEBI:57369, ChEBI:CHEBI:63863;
CC Evidence={ECO:0000269|PubMed:12089320};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:33688;
CC Evidence={ECO:0000269|PubMed:12089320};
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC Kinetic parameters:
CC KM=0.45 mM for 3'-N-debenzoyltaxol {ECO:0000269|PubMed:12089320};
CC KM=0.41 mM for benzoyl-CoA {ECO:0000269|PubMed:12089320};
CC pH dependence:
CC Optimum pH is 8.0. {ECO:0000269|PubMed:12089320};
CC -!- PATHWAY: Alkaloid biosynthesis; taxol biosynthesis. {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the plant acyltransferase family. {ECO:0000305}.
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DR EMBL; AF466397; AAM75818.1; -; mRNA.
DR AlphaFoldDB; Q8LL69; -.
DR SMR; Q8LL69; -.
DR PRIDE; Q8LL69; -.
DR BioCyc; MetaCyc:MON-13418; -.
DR UniPathway; UPA00842; -.
DR GO; GO:0016746; F:acyltransferase activity; IEA:UniProtKB-KW.
DR GO; GO:0042617; P:paclitaxel biosynthetic process; IEA:UniProtKB-UniPathway.
DR Gene3D; 3.30.559.10; -; 2.
DR InterPro; IPR023213; CAT-like_dom_sf.
PE 1: Evidence at protein level;
KW Acyltransferase; Taxol biosynthesis; Transferase.
FT CHAIN 1..441
FT /note="3'-N-debenzoyl-2'-deoxytaxol N-benzoyltransferase"
FT /id="PRO_0000147361"
FT ACT_SITE 163
FT /note="Proton acceptor"
FT /evidence="ECO:0000255"
FT ACT_SITE 373
FT /note="Proton acceptor"
FT /evidence="ECO:0000255"
SQ SEQUENCE 441 AA; 49041 MW; 1F0C200FDA6D4A0C CRC64;
MEKAGSTDFH VKKFDPVMVA PSLPSPKATV QLSVVDSLTI CRGIFNTLLV FNAPDNISAD
PVKIIREALS KVLVYYFPLA GRLRSKEIGE LEVECTGDGA LFVEAMVEDT ISVLRDLDDL
NPSFQQLVFW HPLDTAIEDL HLVIVQVTRF TCGGIAVGVT LPHSVCDGRG AAQFVTALAE
MARGEVKPSL EPIWNRELLN PEDPLHLQLN QFDSICPPPM LEELGQASFV INVDTIEYMK
QCVMEECNEF CSSFEVVAAL VWIARTKALQ IPHTENVKLL FAMDLRKLFN PPLPNGYYGN
AIGTAYAMDN VQDLLNGSLL RAIMIIKKAK ADLKDNYSRS RVVTNPYSLD VNKKSDNILA
LSDWRRLGFY EADFGWGGPL NVSSLQRLEN GLPMFSTFLY LLPAKNKSDG IKLLLSCMPP
TTLKSFKIVM EAMIEKYVSK V