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CHLI_SYNY3
ID   CHLI_SYNY3              Reviewed;         357 AA.
AC   P51634; P73140;
DT   01-OCT-1996, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 2.
DT   03-AUG-2022, entry version 135.
DE   RecName: Full=Magnesium-chelatase subunit ChlI;
DE            EC=6.6.1.1;
DE   AltName: Full=Mg-protoporphyrin IX chelatase;
GN   Name=chlI; OrderedLocusNames=slr1030;
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=8663186; DOI=10.1074/jbc.271.28.16662;
RA   Jensen P.E., Gibson L.C.D., Henningsen K.W., Hunter C.N.;
RT   "Expression of the chlI, chlD, and chlH genes from the Cyanobacterium
RT   synechocystis PCC6803 in Escherichia coli and demonstration that the three
RT   cognate proteins are required for magnesium-protoporphyrin chelatase
RT   activity.";
RL   J. Biol. Chem. 271:16662-16667(1996).
RN   [2]
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: Involved in chlorophyll biosynthesis; introduces a magnesium
CC       ion into protoporphyrin IX to yield Mg-protoporphyrin IX.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + H2O + Mg(2+) + protoporphyrin IX = ADP + 3 H(+) + Mg-
CC         protoporphyrin IX + phosphate; Xref=Rhea:RHEA:13961,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:18420,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:57306,
CC         ChEBI:CHEBI:60492, ChEBI:CHEBI:456216; EC=6.6.1.1;
CC   -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC       biosynthesis.
CC   -!- SIMILARITY: Belongs to the Mg-chelatase subunits D/I family.
CC       {ECO:0000305}.
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DR   EMBL; U35144; AAC44138.1; -; Genomic_DNA.
DR   EMBL; BA000022; BAA17166.1; -; Genomic_DNA.
DR   PIR; S75252; S75252.
DR   PIR; T46868; T46868.
DR   PDB; 6L8D; X-ray; 2.91 A; A/B/C/D/E/F=1-357.
DR   PDBsum; 6L8D; -.
DR   AlphaFoldDB; P51634; -.
DR   SMR; P51634; -.
DR   IntAct; P51634; 1.
DR   STRING; 1148.1652243; -.
DR   PaxDb; P51634; -.
DR   EnsemblBacteria; BAA17166; BAA17166; BAA17166.
DR   KEGG; syn:slr1030; -.
DR   eggNOG; COG1239; Bacteria.
DR   InParanoid; P51634; -.
DR   OMA; RISAVCG; -.
DR   PhylomeDB; P51634; -.
DR   BRENDA; 6.6.1.1; 382.
DR   SABIO-RK; P51634; -.
DR   UniPathway; UPA00668; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0016851; F:magnesium chelatase activity; IEA:UniProtKB-EC.
DR   GO; GO:0015995; P:chlorophyll biosynthetic process; IEA:UniProtKB-UniPathway.
DR   GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.300; -; 1.
DR   InterPro; IPR003593; AAA+_ATPase.
DR   InterPro; IPR045006; CHLI-like.
DR   InterPro; IPR041628; ChlI/MoxR_AAA_lid.
DR   InterPro; IPR011775; Mg_chelatase_ATPase-isu.
DR   InterPro; IPR000523; Mg_chelatse_chII-like_cat_dom.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   PANTHER; PTHR32039; PTHR32039; 1.
DR   Pfam; PF17863; AAA_lid_2; 1.
DR   Pfam; PF01078; Mg_chelatase; 1.
DR   SMART; SM00382; AAA; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   TIGRFAMs; TIGR02030; BchI-ChlI; 1.
PE   1: Evidence at protein level;
KW   3D-structure; ATP-binding; Chlorophyll biosynthesis; Ligase;
KW   Nucleotide-binding; Photosynthesis; Reference proteome.
FT   CHAIN           1..357
FT                   /note="Magnesium-chelatase subunit ChlI"
FT                   /id="PRO_0000206863"
FT   BINDING         47..54
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255"
FT   CONFLICT        170
FT                   /note="A -> T (in Ref. 1; AAC44138)"
FT                   /evidence="ECO:0000305"
FT   CONFLICT        302..306
FT                   /note="ALAAF -> PWPLL (in Ref. 1; AAC44138)"
FT                   /evidence="ECO:0000305"
FT   HELIX           18..20
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           25..36
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           38..40
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          43..47
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          49..51
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           53..63
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          108..111
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   TURN            142..146
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          149..152
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          156..158
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           160..169
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          191..195
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           205..208
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          211..217
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           223..238
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           240..246
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           248..264
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           265..267
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           272..284
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   STRAND          288..290
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           291..306
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           314..325
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           326..328
FT                   /evidence="ECO:0007829|PDB:6L8D"
FT   HELIX           339..351
FT                   /evidence="ECO:0007829|PDB:6L8D"
SQ   SEQUENCE   357 AA;  39463 MW;  80F04C2539B46A05 CRC64;
     MTATLAAPSK TRRVVFPFTA IVGQDEMKLA LLLNVIDPKI GGVMIMGDRG TGKSTTIRAL
     ADLLPEIEVV ANDPFNSSPS DPEMMSEEVR IRVDSQEPLS IVKKKVTMVD LPLGATEDRV
     CGTIDIEKAL SEGVKAFEPG LLAKANRGIL YVDEVNLLDD HLVDVLLDSA AGGWNTVERE
     GISIRHPARF VLVGSGNPEE GELRPQLLDR FGMHAEIRTV REPELRVKIV EQRTEFDQNP
     HPFCDQYQTE QEALQAKIVN AQNLLPQVTI DYDYRVKVSE VCAELDVDGL RGDIVTNRAA
     KALAAFEGRT EVTVDDISRV IVLCLRHRLR KDPLESIDSG SKVEKVFKRV FGVVDEA
 
 
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