CAMT1_EUCGL
ID CAMT1_EUCGL Reviewed; 246 AA.
AC O81185;
DT 09-MAY-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1998, sequence version 1.
DT 03-AUG-2022, entry version 75.
DE RecName: Full=Caffeoyl-CoA O-methyltransferase 1;
DE EC=2.1.1.104;
DE AltName: Full=Trans-caffeoyl-CoA 3-O-methyltransferase 1;
DE Short=CCoAMT-1;
DE Short=CCoAOMT-1;
GN Name=CCOMT;
OS Eucalyptus globulus (Tasmanian blue gum).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; malvids; Myrtales; Myrtaceae; Myrtoideae; Eucalypteae; Eucalyptus.
OX NCBI_TaxID=34317;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA].
RC TISSUE=Stem;
RA De Melis L.E., Brugliera F., Pongracic S., Stevenson T.W.;
RT "Isolation of a Eucalyptus globulus cDNA encoding caffeoyl-CoA 3-O-
RT methyltransferase.";
RL (er) Plant Gene Register PGR98-098(1998).
CC -!- FUNCTION: Methylates caffeoyl-CoA to feruloyl-CoA and 5-
CC hydroxyferuloyl-CoA to sinapoyl-CoA. Plays a role in the synthesis of
CC feruloylated polysaccharides. Involved in the reinforcement of the
CC plant cell wall. Also involved in the responding to wounding or
CC pathogen challenge by the increased formation of cell wall-bound
CC ferulic acid polymers.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(E)-caffeoyl-CoA + S-adenosyl-L-methionine = (E)-feruloyl-CoA
CC + H(+) + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:16925,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:87136, ChEBI:CHEBI:87305; EC=2.1.1.104;
CC -!- COFACTOR:
CC Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC Evidence={ECO:0000250|UniProtKB:Q40313};
CC Note=Binds 1 divalent metal cation per subunit.
CC {ECO:0000250|UniProtKB:Q40313};
CC -!- PATHWAY: Aromatic compound metabolism; phenylpropanoid biosynthesis.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. Cation-dependent O-methyltransferase family. CCoAMT
CC subfamily. {ECO:0000255|PROSITE-ProRule:PRU01019}.
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DR EMBL; AF046122; AAC26191.1; -; mRNA.
DR AlphaFoldDB; O81185; -.
DR SMR; O81185; -.
DR UniPathway; UPA00711; -.
DR GO; GO:0042409; F:caffeoyl-CoA O-methyltransferase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0009809; P:lignin biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR Gene3D; 3.40.50.150; -; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR002935; SAM_O-MeTrfase.
DR Pfam; PF01596; Methyltransf_3; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR PROSITE; PS51682; SAM_OMT_I; 1.
PE 2: Evidence at transcript level;
KW Lignin biosynthesis; Metal-binding; Methyltransferase;
KW S-adenosyl-L-methionine; Transferase.
FT CHAIN 1..246
FT /note="Caffeoyl-CoA O-methyltransferase 1"
FT /id="PRO_0000165681"
FT BINDING 21
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:Q40313"
FT BINDING 63
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 85
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 87..88
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 93
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 111
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 140
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 162
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 162
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:Q40313"
FT BINDING 164
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 188
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 189
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01019"
FT BINDING 193
FT /ligand="substrate"
FT /evidence="ECO:0000250|UniProtKB:Q40313"
SQ SEQUENCE 246 AA; 27534 MW; 5A74EF110C6F3179 CRC64;
MATAGEESQT QAGRHQEVGH KSLLQSDALY QHILETSVYP REPEPMKELR EITAKHPWNI
MTTSADEGQF LNMLLKLINA KNTMEIGVFT GYSLLATALA LPDDGKILAM DINRENYELG
LPVIQKAGVA DKIDFREGPA LPILDQLIED GKQGSFDFIF VDADKDNYLN YHKRLIELVK
VGGLIGYDNT LWNGSVVAPP DAPLRKYVRY YRDFVLELNK ALAADPRIEI CMLPVGDGIT
LCRRIS
