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Protein

Light-independent protochlorophyllide reductase iron-sulfur ATP-binding protein

Gene

chlL

Organism
Chlamydomonas reinhardtii (Chlamydomonas smithii)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

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 L component serves as a unique electron donor to the NB-component of the complex, and binds Mg-ATP.UniRule annotation

Catalytic activityi

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

Cofactori

[4Fe-4S] clusterUniRule annotationNote: Binds 1 [4Fe-4S] cluster per dimer.UniRule annotation

Pathwayi: chlorophyll biosynthesis (light-independent)

This protein is involved in the pathway chlorophyll biosynthesis (light-independent), which is part of Porphyrin-containing compound metabolism.UniRule annotation
View all proteins of this organism that are known to be involved in the pathway chlorophyll biosynthesis (light-independent) and in Porphyrin-containing compound metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi14MagnesiumUniRule annotation1
Binding sitei39ATPUniRule annotation1
Metal bindingi95Iron-sulfur (4Fe-4S); shared with dimeric partnerUniRule annotation1
Metal bindingi129Iron-sulfur (4Fe-4S); shared with dimeric partnerUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi10 – 15ATPUniRule annotation6
Nucleotide bindingi180 – 181ATPUniRule annotation2

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase
Biological processChlorophyll biosynthesis, Photosynthesis
Ligand4Fe-4S, ATP-binding, Iron, Iron-sulfur, Magnesium, Metal-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyciMetaCyc:CHRECP009-MONOMER
UniPathwayi
UPA00670

Names & Taxonomyi

Protein namesi
Recommended name:
Light-independent protochlorophyllide reductase iron-sulfur ATP-binding proteinUniRule annotation (EC:1.3.7.7UniRule annotation)
Short name:
DPOR subunit LUniRule annotation
Short name:
LI-POR subunit LUniRule annotation
Gene namesi
Name:chlLUniRule annotation
Synonyms:frxC, gidB
Encoded oniPlastid; Chloroplast
OrganismiChlamydomonas reinhardtii (Chlamydomonas smithii)
Taxonomic identifieri3055 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeChlorophytaChlorophyceaeChlamydomonadalesChlamydomonadaceaeChlamydomonas
Proteomesi
  • UP000006906 Componenti: Chloroplast

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001395541 – 293Light-independent protochlorophyllide reductase iron-sulfur ATP-binding proteinAdd BLAST293

Proteomic databases

PaxDbiQ00469

Interactioni

Subunit structurei

Homodimer. Protochlorophyllide reductase is composed of three subunits; ChlL, ChlN and ChlB.UniRule annotation

Protein-protein interaction databases

STRINGi3055.DAA00912

Structurei

3D structure databases

ProteinModelPortaliQ00469
SMRiQ00469
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the NifH/BchL/ChlL family.UniRule annotation

Phylogenomic databases

eggNOGiENOG410JACQ Eukaryota
COG1348 LUCA
InParanoidiQ00469
KOiK04037

Family and domain databases

CDDicd02032 Bchl_like, 1 hit
HAMAPiMF_00355 ChlL_BchL, 1 hit
InterProiView protein in InterPro
IPR030655 NifH/chlL_CS
IPR000392 NifH/frxC
IPR027417 P-loop_NTPase
IPR005971 Protochlorophyllide_ATP-bd
PANTHERiPTHR42864 PTHR42864, 1 hit
PTHR42864:SF1 PTHR42864:SF1, 1 hit
PfamiView protein in Pfam
PF00142 Fer4_NifH, 1 hit
PIRSFiPIRSF000363 Nitrogenase_iron, 1 hit
SUPFAMiSSF52540 SSF52540, 1 hit
TIGRFAMsiTIGR01281 DPOR_bchL, 1 hit
PROSITEiView protein in PROSITE
PS00746 NIFH_FRXC_1, 1 hit
PS00692 NIFH_FRXC_2, 1 hit
PS51026 NIFH_FRXC_3, 1 hit

Sequencei

Sequence statusi: Complete.

Q00469-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MKLAVYGKGG IGKSTTSCNI SIALRKRGKK VLQIGCDPKH DSTFTLTGFL
60 70 80 90 100
IPTIIDTLSS KDYHYEDIWP EDVIYGGYGG VDCVEAGGPP AGAGCGGYVV
110 120 130 140 150
GETVKLLKEL NAFFEYDVIL FDVLGDVVCG GFAAPLNYAD YCIIVTDNGF
160 170 180 190 200
DALFAANRIA ASVREKARTH PLRLAGLIGN RTSKRDLIDK YVEACPMPVL
210 220 230 240 250
EVLPLIEEIR ISRVKGKTLF EMSNKNNMTS AHMDGSKGDN STVGVSETPS
260 270 280 290
EDYICNFYLN IADQLLTEPE GVIPRELADK ELFTLLSDFY LKI
Length:293
Mass (Da):31,945
Last modified:December 1, 1992 - v1
Checksum:iF0628502BC007D93
GO

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Natural varianti25R → A in strain: 2137 and CC-503. 1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X60490 Genomic DNA Translation: CAA43020.1
X62905 Genomic DNA Translation: CAA44691.1
FJ423446 Genomic DNA Translation: ACJ50099.1
BK000554 Genomic DNA Translation: DAA00912.1
PIRiJQ1675
RefSeqiNP_958366.1, NC_005353.1

Genome annotation databases

GeneIDi2717052
KEGGicre:ChreCp009

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X60490 Genomic DNA Translation: CAA43020.1
X62905 Genomic DNA Translation: CAA44691.1
FJ423446 Genomic DNA Translation: ACJ50099.1
BK000554 Genomic DNA Translation: DAA00912.1
PIRiJQ1675
RefSeqiNP_958366.1, NC_005353.1

3D structure databases

ProteinModelPortaliQ00469
SMRiQ00469
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi3055.DAA00912

Proteomic databases

PaxDbiQ00469

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi2717052
KEGGicre:ChreCp009

Phylogenomic databases

eggNOGiENOG410JACQ Eukaryota
COG1348 LUCA
InParanoidiQ00469
KOiK04037

Enzyme and pathway databases

UniPathwayi
UPA00670

BioCyciMetaCyc:CHRECP009-MONOMER

Family and domain databases

CDDicd02032 Bchl_like, 1 hit
HAMAPiMF_00355 ChlL_BchL, 1 hit
InterProiView protein in InterPro
IPR030655 NifH/chlL_CS
IPR000392 NifH/frxC
IPR027417 P-loop_NTPase
IPR005971 Protochlorophyllide_ATP-bd
PANTHERiPTHR42864 PTHR42864, 1 hit
PTHR42864:SF1 PTHR42864:SF1, 1 hit
PfamiView protein in Pfam
PF00142 Fer4_NifH, 1 hit
PIRSFiPIRSF000363 Nitrogenase_iron, 1 hit
SUPFAMiSSF52540 SSF52540, 1 hit
TIGRFAMsiTIGR01281 DPOR_bchL, 1 hit
PROSITEiView protein in PROSITE
PS00746 NIFH_FRXC_1, 1 hit
PS00692 NIFH_FRXC_2, 1 hit
PS51026 NIFH_FRXC_3, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiCHLL_CHLRE
AccessioniPrimary (citable) accession number: Q00469
Secondary accession number(s): B7U1F2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 1, 1992
Last sequence update: December 1, 1992
Last modified: October 10, 2018
This is version 124 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
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Main funding by: National Institutes of Health

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