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CHLM_SYNY3
ID   CHLM_SYNY3              Reviewed;         230 AA.
AC   Q55467; Q55344;
DT   14-AUG-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 133.
DE   RecName: Full=Magnesium-protoporphyrin O-methyltransferase;
DE            EC=2.1.1.11;
DE   AltName: Full=Magnesium-protoporphyrin IX methyltransferase;
GN   Name=chlM; OrderedLocusNames=slr0525;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8704138; DOI=10.1007/bf00019561;
RA   Smith C.A., Suzuki J.Y., Bauer C.E.;
RT   "Cloning and characterization of the chlorophyll biosynthesis gene chlM
RT   from Synechocystis PCC 6803 by complementation of a bacteriochlorophyll
RT   biosynthesis mutant of Rhodobacter capsulatus.";
RL   Plant Mol. Biol. 30:1307-1314(1996).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27184 / PCC 6803 / N-1;
RX   PubMed=8590279; DOI=10.1093/dnares/2.4.153;
RA   Kaneko T., Tanaka A., Sato S., Kotani H., Sazuka T., Miyajima N.,
RA   Sugiura M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. I. Sequence features in the 1 Mb region
RT   from map positions 64% to 92% of the genome.";
RL   DNA Res. 2:153-166(1995).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
CC   -!- FUNCTION: Converts Mg-protoporphyrin IX to Mg-protoporphyrin IX
CC       methylester using S-adenosyl-L-methionine as a cofactor.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Mg-protoporphyrin IX + S-adenosyl-L-methionine = Mg-
CC         protoporphyrin IX 13-monomethyl ester + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:17809, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:60491, ChEBI:CHEBI:60492; EC=2.1.1.11;
CC         Evidence={ECO:0000255|PROSITE-ProRule:PRU00889};
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC       biosynthesis (light-independent).
CC   -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC       superfamily. Magnesium protoporphyrin O-methyltransferase family.
CC       {ECO:0000255|PROSITE-ProRule:PRU00889}.
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DR   EMBL; L47126; AAA85380.1; -; Genomic_DNA.
DR   EMBL; BA000022; BAA10812.1; -; Genomic_DNA.
DR   PIR; S71781; S71781.
DR   PDB; 4QDJ; X-ray; 1.60 A; A=1-230.
DR   PDB; 4QDK; X-ray; 1.70 A; A/B=1-230.
DR   PDBsum; 4QDJ; -.
DR   PDBsum; 4QDK; -.
DR   AlphaFoldDB; Q55467; -.
DR   SMR; Q55467; -.
DR   IntAct; Q55467; 4.
DR   STRING; 1148.1001325; -.
DR   PaxDb; Q55467; -.
DR   PRIDE; Q55467; -.
DR   EnsemblBacteria; BAA10812; BAA10812; BAA10812.
DR   KEGG; syn:slr0525; -.
DR   eggNOG; COG2227; Bacteria.
DR   InParanoid; Q55467; -.
DR   OMA; LDVFIHY; -.
DR   PhylomeDB; Q55467; -.
DR   BRENDA; 2.1.1.11; 382.
DR   SABIO-RK; Q55467; -.
DR   UniPathway; UPA00670; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0046406; F:magnesium protoporphyrin IX methyltransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0008168; F:methyltransferase activity; IBA:GO_Central.
DR   GO; GO:0036068; P:light-independent chlorophyll biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0032259; P:methylation; IEA:UniProtKB-KW.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.150; -; 1.
DR   InterPro; IPR010251; Mg_prot_MeTrfase.
DR   InterPro; IPR010940; Mg_prot_MeTrfase_C.
DR   InterPro; IPR029063; SAM-dependent_MTases_sf.
DR   Pfam; PF07109; Mg-por_mtran_C; 1.
DR   SUPFAM; SSF53335; SSF53335; 1.
DR   TIGRFAMs; TIGR02021; BchM-ChlM; 1.
DR   PROSITE; PS51556; SAM_MT_MG_PIX; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Chlorophyll biosynthesis; Methyltransferase; Photosynthesis;
KW   Reference proteome; S-adenosyl-L-methionine; Transferase.
FT   CHAIN           1..230
FT                   /note="Magnesium-protoporphyrin O-methyltransferase"
FT                   /id="PRO_0000204421"
FT   CONFLICT        190
FT                   /note="A -> V (in Ref. 1; AAA85380)"
FT                   /evidence="ECO:0000305"
FT   HELIX           8..16
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           19..27
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          29..31
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           35..58
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          65..69
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   TURN            72..76
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           77..82
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          86..92
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           94..108
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          115..118
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           121..123
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          128..133
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           137..139
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           142..155
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          156..164
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   HELIX           169..178
FT                   /evidence="ECO:0007829|PDB:4QDK"
FT   HELIX           195..204
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          207..216
FT                   /evidence="ECO:0007829|PDB:4QDJ"
FT   STRAND          221..229
FT                   /evidence="ECO:0007829|PDB:4QDJ"
SQ   SEQUENCE   230 AA;  25081 MW;  166D72CF3DD178A0 CRC64;
     MTNAALDDKT IVRDYFNSTG FDRWRRIYGD GQVNFVQKDI RVGHQQTVDS VVAWLVADGN
     LPGLLVCDAG CGVGSLSIPL AQAGALVYGS DISEKMVGEA QQKAQEVLAY GNQPTFMTQD
     LAQLGGKYDT VICLDVLIHY PTEEASAMIS HLASLADRRL ILSFAPKTLG LTVLKKIGGL
     FPGPSKTTRA YQHKEADIRK ILGDNGFSIA RTGMTSTRFY YSRILEAVRS
 
 
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