ACSF_SYNP6
ID ACSF_SYNP6 Reviewed; 358 AA.
AC Q5MZZ2;
DT 16-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-2005, sequence version 1.
DT 25-MAY-2022, entry version 97.
DE RecName: Full=Magnesium-protoporphyrin IX monomethyl ester [oxidative] cyclase {ECO:0000255|HAMAP-Rule:MF_01840};
DE Short=Mg-protoporphyrin IX monomethyl ester oxidative cyclase {ECO:0000255|HAMAP-Rule:MF_01840};
DE EC=1.14.13.81 {ECO:0000255|HAMAP-Rule:MF_01840};
GN Name=acsF {ECO:0000255|HAMAP-Rule:MF_01840}; OrderedLocusNames=syc2188_d;
OS Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS nidulans).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX NCBI_TaxID=269084;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT Synechococcus elongatus PCC 6301 chromosome: gene content and
RT organization.";
RL Photosyn. Res. 93:55-67(2007).
CC -!- FUNCTION: Catalyzes the formation of the isocyclic ring in chlorophyll
CC biosynthesis. Mediates the cyclase reaction, which results in the
CC formation of divinylprotochlorophyllide (Pchlide) characteristic of all
CC chlorophylls from magnesium-protoporphyrin IX 13-monomethyl ester
CC (MgPMME). {ECO:0000255|HAMAP-Rule:MF_01840}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 H(+) + Mg-protoporphyrin IX 13-monomethyl ester + 3 NADPH +
CC 3 O2 = 3,8-divinyl protochlorophyllide a + 5 H2O + 3 NADP(+);
CC Xref=Rhea:RHEA:33235, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:15379, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:58632, ChEBI:CHEBI:60491; EC=1.14.13.81;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01840};
CC -!- COFACTOR:
CC Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01840};
CC -!- PATHWAY: Porphyrin-containing compound metabolism; chlorophyll
CC biosynthesis (light-independent). {ECO:0000255|HAMAP-Rule:MF_01840}.
CC -!- SIMILARITY: Belongs to the AcsF family. {ECO:0000255|HAMAP-
CC Rule:MF_01840}.
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DR EMBL; AP008231; BAD80378.1; -; Genomic_DNA.
DR RefSeq; WP_011244498.1; NC_006576.1.
DR AlphaFoldDB; Q5MZZ2; -.
DR STRING; 269084.syc2188_d; -.
DR EnsemblBacteria; BAD80378; BAD80378; syc2188_d.
DR KEGG; syc:syc2188_d; -.
DR eggNOG; COG1633; Bacteria.
DR OMA; FHPIFKW; -.
DR UniPathway; UPA00670; -.
DR Proteomes; UP000001175; Chromosome.
DR GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0048529; F:magnesium-protoporphyrin IX monomethyl ester (oxidative) cyclase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0036068; P:light-independent chlorophyll biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0015979; P:photosynthesis; IEA:UniProtKB-UniRule.
DR CDD; cd01047; ACSF; 1.
DR HAMAP; MF_01840; AcsF; 1.
DR InterPro; IPR008434; AcsF.
DR InterPro; IPR009078; Ferritin-like_SF.
DR InterPro; IPR003251; Rubrerythrin.
DR PANTHER; PTHR31053; PTHR31053; 1.
DR Pfam; PF02915; Rubrerythrin; 1.
DR SUPFAM; SSF47240; SSF47240; 1.
DR TIGRFAMs; TIGR02029; AcsF; 1.
PE 3: Inferred from homology;
KW Chlorophyll biosynthesis; Iron; Metal-binding; NADP; Oxidoreductase;
KW Photosynthesis.
FT CHAIN 1..358
FT /note="Magnesium-protoporphyrin IX monomethyl ester
FT [oxidative] cyclase"
FT /id="PRO_0000217537"
SQ SEQUENCE 358 AA; 42120 MW; 6C047F45E9DAB3A2 CRC64;
MVDSLQKPEL EELRPGIKAP AKETILTPRF YTTDFEAMAK MDLSPNEDEL RAILEEFRAD
YNRKHFVRTP EFDGSAADMD PETKKVFVEF LEQSCTSEFS GFLLYKELSR RIKNRNPLLA
ECFELMARDE ARHAGFLNKS MSDFDLQLDL GFLTANKKYT YFKPAYIFYA TYLSEKIGYW
RYITIFRHLE QHPEYRIYPI FKFFENWCQD ENRHGDFFDA LMKAQPSTVR GFVAKLWCRF
FLLAVFATMY IRDVQRKEFY EALGLDAREY DRHVIAKTNE TSARVFPVVL DVDHPKFYDR
LETCIANNNQ LAAIEATSAP KPVKVLRKLP YYLSNGLQLL KLYLVKPLES DVYQPAVR
