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Q7VD37

- CHLN_PROMA

UniProt

Q7VD37 - CHLN_PROMA

Protein

Light-independent protochlorophyllide reductase subunit N

Gene

chlN

Organism
Prochlorococcus marinus (strain SARG / CCMP1375 / SS120)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at protein leveli
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    • History
      Entry version 61 (01 Oct 2014)
      Sequence version 1 (01 Oct 2003)
      Previous versions | rss
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    Functioni

    Component of the dark-operative protochlorophyllide reductase (DPOR) that uses Mg-ATP and reduced ferredoxin to reduce ring D of protochlorophyllide (Pchlide) to form chlorophyllide a (Chlide). This reaction is light-independent. The NB-protein (ChlN-ChlB) is the catalytic component of the complex.UniRule annotation

    Catalytic activityi

    Protochlorophyllide a + reduced ferredoxin + 2 ATP + 2 H2O = chlorophyllide a + oxidized ferredoxin + 2 ADP + 2 phosphate.UniRule annotation

    Cofactori

    Binds 1 [4Fe-4S] cluster per heterodimer. The cluster is bound at the heterodimer interface by residues from both subunits.UniRule annotation

    Pathwayi

    Sites

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Metal bindingi17 – 171Iron-sulfur (4Fe-4S); shared with heterodimeric partnerUniRule annotation
    Metal bindingi42 – 421Iron-sulfur (4Fe-4S); shared with heterodimeric partnerUniRule annotation
    Metal bindingi103 – 1031Iron-sulfur (4Fe-4S); shared with heterodimeric partnerUniRule annotation

    GO - Molecular functioni

    1. 4 iron, 4 sulfur cluster binding Source: UniProtKB-HAMAP
    2. ATP binding Source: UniProtKB-HAMAP
    3. metal ion binding Source: UniProtKB-KW
    4. oxidoreductase activity, acting on iron-sulfur proteins as donors Source: InterPro
    5. oxidoreductase activity, acting on the CH-CH group of donors, iron-sulfur protein as acceptor Source: UniProtKB-HAMAP

    GO - Biological processi

    1. light-independent chlorophyll biosynthetic process Source: UniProtKB-UniPathway
    2. photosynthesis, dark reaction Source: InterPro

    Keywords - Molecular functioni

    Oxidoreductase

    Keywords - Biological processi

    Chlorophyll biosynthesis, Photosynthesis

    Keywords - Ligandi

    4Fe-4S, ATP-binding, Iron, Iron-sulfur, Metal-binding, Nucleotide-binding

    Enzyme and pathway databases

    BioCyciPMAR167539:GJN2-564-MONOMER.
    UniPathwayiUPA00670.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Light-independent protochlorophyllide reductase subunit NUniRule annotation (EC:1.3.7.7UniRule annotation)
    Short name:
    DPOR subunit NUniRule annotation
    Short name:
    LI-POR subunit NUniRule annotation
    Gene namesi
    Name:chlNUniRule annotation
    Ordered Locus Names:Pro_0546
    OrganismiProchlorococcus marinus (strain SARG / CCMP1375 / SS120)
    Taxonomic identifieri167539 [NCBI]
    Taxonomic lineageiBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus
    ProteomesiUP000001420: Chromosome

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 418418Light-independent protochlorophyllide reductase subunit NPRO_0000324008Add
    BLAST

    Interactioni

    Subunit structurei

    Protochlorophyllide reductase is composed of three subunits; ChlL, ChlN and ChlB. Forms a heterotetramer of two ChlB and two ChlN subunits.UniRule annotation

    Protein-protein interaction databases

    STRINGi167539.Pro0546.

    Structurei

    Secondary structure

    1
    418
    Legend: HelixTurnBeta strand
    Show more details
    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Beta strandi4 – 96
    Helixi18 – 214
    Helixi22 – 287
    Beta strandi32 – 387
    Helixi40 – 5011
    Beta strandi60 – 645
    Helixi67 – 704
    Helixi76 – 9015
    Beta strandi95 – 1017
    Helixi103 – 1075
    Helixi112 – 12312
    Beta strandi124 – 1263
    Beta strandi128 – 1336
    Turni136 – 1383
    Helixi143 – 15210
    Helixi153 – 1553
    Beta strandi163 – 1686
    Helixi172 – 18413
    Beta strandi190 – 1945
    Beta strandi208 – 2147
    Helixi218 – 2269
    Helixi239 – 25315
    Helixi258 – 28326
    Beta strandi287 – 2904
    Beta strandi292 – 2954
    Helixi297 – 30610
    Beta strandi311 – 3188
    Turni322 – 3243
    Helixi326 – 3316
    Beta strandi337 – 3415
    Helixi344 – 35411
    Beta strandi357 – 3615
    Turni363 – 3653
    Helixi366 – 3716
    Beta strandi376 – 3783
    Helixi379 – 3846
    Helixi390 – 3923
    Helixi393 – 41018

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    EntryMethodResolution (Å)ChainPositionsPDBsum
    2YNMX-ray2.10C1-418[»]
    ProteinModelPortaliQ7VD37.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the BchN/ChlN family.UniRule annotation

    Phylogenomic databases

    eggNOGiCOG2710.
    KOiK04038.
    OMAiGMAHANP.
    OrthoDBiEOG6PZX7T.

    Family and domain databases

    HAMAPiMF_00352. ChlN_BchN.
    InterProiIPR000510. Nase/OxRdtase_comp1.
    IPR005970. Protochl_reductN.
    [Graphical view]
    PfamiPF00148. Oxidored_nitro. 1 hit.
    [Graphical view]
    PIRSFiPIRSF000162. P_chlorophyll_rd. 1 hit.
    TIGRFAMsiTIGR01279. DPOR_bchN. 1 hit.

    Sequencei

    Sequence statusi: Complete.

    Q7VD37-1 [UniParc]FASTAAdd to Basket

    « Hide

    MSGSTLLKET GPREVFCGLT SIVWLHRRMP DAFFLVVGSR TCAHLIQSAA    50
    GVMIFAEPRF GTAILEERDL AGLADAHEEL DRVVKSLLKR RPEIRTLFLV 100
    GSCPSEVIKI DLSRAAERLS SQFNGQVRIL NYSGSGIETT FTQGEDGALK 150
    ALVPLMPSSQ EEQLLLAGTL ANPVEDRLKT IFNRLGIQKV ESFPPRESTK 200
    LPAIGPGTKV LLAQPYLTDT ARELKDRGAE ILQAPFPLGV EGSQLWIEAA 250
    ANAFKIKKTL VDATLEPLIT RAHKALKPYV EQLSGKKLFL LPESQLEIPL 300
    ARFLSNECGM KLIEVGVPYL NREMMGPELD LLPQNTRIVE GQHVEKQLDR 350
    VREHHPDLVV CGMGLANPLE AEGISTKWSI EMVFSPIHGI DQASDLAELF 400
    ARPLHRQNLL NKKTLEAV 418
    Length:418
    Mass (Da):46,199
    Last modified:October 1, 2003 - v1
    Checksum:i02458DD9AD581EE5
    GO

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AE017126 Genomic DNA. Translation: AAP99591.1.
    RefSeqiNP_874939.1. NC_005042.1.

    Genome annotation databases

    EnsemblBacteriaiAAP99591; AAP99591; Pro_0546.
    GeneIDi1461928.
    KEGGipma:Pro_0546.
    PATRICi23027725. VBIProMar8617_0561.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    AE017126 Genomic DNA. Translation: AAP99591.1 .
    RefSeqi NP_874939.1. NC_005042.1.

    3D structure databases

    Select the link destinations:
    PDBe
    RCSB PDB
    PDBj
    Links Updated
    Entry Method Resolution (Å) Chain Positions PDBsum
    2YNM X-ray 2.10 C 1-418 [» ]
    ProteinModelPortali Q7VD37.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    STRINGi 167539.Pro0546.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Genome annotation databases

    EnsemblBacteriai AAP99591 ; AAP99591 ; Pro_0546 .
    GeneIDi 1461928.
    KEGGi pma:Pro_0546.
    PATRICi 23027725. VBIProMar8617_0561.

    Phylogenomic databases

    eggNOGi COG2710.
    KOi K04038.
    OMAi GMAHANP.
    OrthoDBi EOG6PZX7T.

    Enzyme and pathway databases

    UniPathwayi UPA00670 .
    BioCyci PMAR167539:GJN2-564-MONOMER.

    Family and domain databases

    HAMAPi MF_00352. ChlN_BchN.
    InterProi IPR000510. Nase/OxRdtase_comp1.
    IPR005970. Protochl_reductN.
    [Graphical view ]
    Pfami PF00148. Oxidored_nitro. 1 hit.
    [Graphical view ]
    PIRSFi PIRSF000162. P_chlorophyll_rd. 1 hit.
    TIGRFAMsi TIGR01279. DPOR_bchN. 1 hit.
    ProtoNeti Search...

    Publicationsi

    1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
      Strain: SARG / CCMP1375 / SS120.

    Entry informationi

    Entry nameiCHLN_PROMA
    AccessioniPrimary (citable) accession number: Q7VD37
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: March 18, 2008
    Last sequence update: October 1, 2003
    Last modified: October 1, 2014
    This is version 61 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    3D-structure, Complete proteome, Reference proteome

    Documents

    1. PATHWAY comments
      Index of metabolic and biosynthesis pathways
    2. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    3. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3