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ACSF_SYNSC
ID   ACSF_SYNSC              Reviewed;         356 AA.
AC   Q3AK18;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 89.
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};
GN   OrderedLocusNames=Syncc9605_1310;
OS   Synechococcus sp. (strain CC9605).
OC   Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC   unclassified Synechococcus.
OX   NCBI_TaxID=110662;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CC9605;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA   Hammon N., Israni S., Pitluck S., Schmutz J., Martinez M., Larimer F.,
RA   Land M., Kyrpides N., Ivanova N., Richardson P.;
RT   "Complete sequence of Synechococcus sp. CC9605.";
RL   Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000110; ABB35064.1; -; Genomic_DNA.
DR   RefSeq; WP_011364283.1; NC_007516.1.
DR   AlphaFoldDB; Q3AK18; -.
DR   SMR; Q3AK18; -.
DR   STRING; 110662.Syncc9605_1310; -.
DR   EnsemblBacteria; ABB35064; ABB35064; Syncc9605_1310.
DR   KEGG; syd:Syncc9605_1310; -.
DR   eggNOG; COG1633; Bacteria.
DR   HOGENOM; CLU_048037_0_0_3; -.
DR   OMA; FHPIFKW; -.
DR   OrthoDB; 366541at2; -.
DR   UniPathway; UPA00670; -.
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   Gene3D; 1.20.1260.10; -; 1.
DR   HAMAP; MF_01840; AcsF; 1.
DR   InterPro; IPR008434; AcsF.
DR   InterPro; IPR012347; Ferritin-like.
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..356
FT                   /note="Magnesium-protoporphyrin IX monomethyl ester
FT                   [oxidative] cyclase"
FT                   /id="PRO_1000070556"
SQ   SEQUENCE   356 AA;  41212 MW;  B56D3A44D223E85F CRC64;
     MVPPTAVAEG SAVAIKDPVK DTILTPRFYT TDFEAMAAMD LQPNEAELEA ICEEFRKDYN
     RHHFVRNEEF EGAADKLDPE TRKVFIEFLE QSCTSEFSGF LLYKELSRRI KAKNPLLAEC
     FAHMARDEAR HAGFLNKSMS DFGMQLDLGF LTANKDYTFF KPKFIFYATY LSEKIGYWRY
     IAIYRHLEKN PDSKIFPIFN FFENWCQDEN RHGDFFDALM KAQPDTVRGP IAKLWCRFFL
     LAVFATMYVR DVARKEFYEA LGLDARTYDK MVIEKTNETS ARVFPVVLDV NNDKFWTRLE
     RLVANNAALD KADASDAIAP VKLLRKLPFW IGNGAEMAKL FLMPAIDSDR FQPAVR
 
 
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