ID B0C4J5_ACAM1 Unreviewed; 337 AA.
AC B0C4J5;
DT 26-FEB-2008, integrated into UniProtKB/TrEMBL.
DT 26-FEB-2008, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Mg-protoporphyrin IX chelatase {ECO:0000256|RuleBase:RU362087};
DE EC=6.6.1.1 {ECO:0000256|RuleBase:RU362087};
GN Name=chlI {ECO:0000313|EMBL:ABW29878.1};
GN OrderedLocusNames=AM1_4907 {ECO:0000313|EMBL:ABW29878.1};
OS Acaryochloris marina (strain MBIC 11017).
OC Bacteria; Cyanobacteriota; Cyanophyceae; Acaryochloridales;
OC Acaryochloridaceae; Acaryochloris.
OX NCBI_TaxID=329726 {ECO:0000313|EMBL:ABW29878.1, ECO:0000313|Proteomes:UP000000268};
RN [1] {ECO:0000313|EMBL:ABW29878.1, ECO:0000313|Proteomes:UP000000268}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MBIC 11017 {ECO:0000313|Proteomes:UP000000268};
RX PubMed=18252824; DOI=10.1073/pnas.0709772105;
RA Swingley W.D., Chen M., Cheung P.C., Conrad A.L., Dejesa L.C., Hao J.,
RA Honchak B.M., Karbach L.E., Kurdoglu A., Lahiri S., Mastrian S.D.,
RA Miyashita H., Page L., Ramakrishna P., Satoh S., Sattley W.M., Shimada Y.,
RA Taylor H.L., Tomo T., Tsuchiya T., Wang Z.T., Raymond J., Mimuro M.,
RA Blankenship R.E., Touchman J.W.;
RT "Niche adaptation and genome expansion in the chlorophyll d-producing
RT cyanobacterium Acaryochloris marina.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:2005-2010(2008).
CC -!- FUNCTION: Involved in chlorophyll biosynthesis. Catalyzes the insertion
CC of magnesium ion into protoporphyrin IX to yield Mg-protoporphyrin IX.
CC {ECO:0000256|RuleBase:RU362087}.
CC -!- FUNCTION: Involved in chlorophyll biosynthesis; introduces a magnesium
CC ion into protoporphyrin IX to yield Mg-protoporphyrin IX.
CC {ECO:0000256|ARBA:ARBA00003398}.
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 Evidence={ECO:0000256|ARBA:ARBA00001499,
CC ECO:0000256|RuleBase:RU362087};
CC -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC biosynthesis. {ECO:0000256|RuleBase:RU362087}.
CC -!- SIMILARITY: Belongs to the Mg-chelatase subunits D/I family.
CC {ECO:0000256|ARBA:ARBA00005799, ECO:0000256|RuleBase:RU362087}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP000828; ABW29878.1; -; Genomic_DNA.
DR AlphaFoldDB; B0C4J5; -.
DR STRING; 329726.AM1_4907; -.
DR KEGG; amr:AM1_4907; -.
DR eggNOG; COG1239; Bacteria.
DR HOGENOM; CLU_016684_0_2_3; -.
DR UniPathway; UPA00668; -.
DR Proteomes; UP000000268; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:InterPro.
DR GO; GO:0016851; F:magnesium chelatase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0015995; P:chlorophyll biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR CDD; cd00009; AAA; 1.
DR Gene3D; 1.10.8.80; Magnesium chelatase subunit I, C-Terminal domain; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 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 NCBIfam; TIGR02030; BchI-ChlI; 1.
DR PANTHER; PTHR32039; MAGNESIUM-CHELATASE SUBUNIT CHLI; 1.
DR PANTHER; PTHR32039:SF9; MAGNESIUM-CHELATASE SUBUNIT CHLI-1, CHLOROPLASTIC; 1.
DR Pfam; PF17863; AAA_lid_2; 1.
DR Pfam; PF01078; Mg_chelatase; 1.
DR SMART; SM00382; AAA; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|RuleBase:RU362087};
KW Chlorophyll biosynthesis {ECO:0000256|RuleBase:RU362087};
KW Coiled coil {ECO:0000256|SAM:Coils};
KW Ligase {ECO:0000256|RuleBase:RU362087};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU362087};
KW Photosynthesis {ECO:0000256|RuleBase:RU362087};
KW Reference proteome {ECO:0000313|Proteomes:UP000000268}.
FT DOMAIN 13..173
FT /note="AAA+ ATPase"
FT /evidence="ECO:0000259|SMART:SM00382"
FT COILED 218..245
FT /evidence="ECO:0000256|SAM:Coils"
SQ SEQUENCE 337 AA; 36965 MW; 5FC6F1FA84436522 CRC64;
MKLALILNTI DPRIGGVMIM GDRGTGKTTT IRALANLLPE INVVADDPFN SDPTDPELMS
DEVKALTASG QTPAIAQMQV PMVDLPLGAT EDRVCGTIDI EKALAEGVKA FEPGLLAKAN
RGILYVDEVN LLDDHLVDVL LDSAASGWNT VEREGISIRH PARFVLVGSG NPEEGELRPQ
LLDRFGMHAE IHTVKDPTLR VQIVEERSQF DQEPNAYLDN HTDNQKALQD QIVNAQNNLA
NVNIDHELRV NISQVCSELD VDGLRGDIVS NRAAKAIAAF EGRTEVTVDD IRRVITLCLR
HRLRKDPLES IDSGYKVSKV FRQVFGLPDE EEADIAA
//
