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Protein

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

Gene

chlL

Organism
Cyanothece sp. (strain PCC 8801) (Synechococcus sp. (strain PCC 8801 / RF-1))
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 bindingi16MagnesiumUniRule annotation1
Binding sitei41ATPUniRule annotation1
Metal bindingi97Iron-sulfur (4Fe-4S); shared with dimeric partnerUniRule annotation1
Metal bindingi131Iron-sulfur (4Fe-4S); shared with dimeric partnerUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi12 – 17ATPUniRule annotation6
Nucleotide bindingi182 – 183ATPUniRule 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

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
Ordered Locus Names:PCC8801_0791
OrganismiCyanothece sp. (strain PCC 8801) (Synechococcus sp. (strain PCC 8801 / RF-1))
Taxonomic identifieri41431 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeOscillatorialesCyanothecaceaeCyanothece
Proteomesi
  • UP000008204 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10001205541 – 289Light-independent protochlorophyllide reductase iron-sulfur ATP-binding proteinAdd BLAST289

Interactioni

Subunit structurei

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

Protein-protein interaction databases

STRINGi41431.PCC8801_0791

Structurei

3D structure databases

ProteinModelPortaliB7JYK3
SMRiB7JYK3
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

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

Phylogenomic databases

eggNOGiENOG4105DSM Bacteria
COG1348 LUCA
HOGENOMiHOG000228825
KOiK04037
OMAiPGDIVCG
OrthoDBiPOG091H0230

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.

B7JYK3-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MTLTLAVYGK GGIGKSTTSC NISTALAKRG KKVLQIGCDP KHDSTFTLTG
60 70 80 90 100
FLIPTIIDTL QEKDFHYEDI WPEDVIYKGY AGVDCVEAGG PPAGAGCGGY
110 120 130 140 150
VVGETVKLLK ELNAFDEYDV ILFDVLGDVV CGGFAAPLNY ADYCLIVTDN
160 170 180 190 200
GFDALFAANR IAASVREKAR THPLRLAGLI GNRTSKRDLI DKYIEAVPMP
210 220 230 240 250
VLEILPLIED IRVSRVKGKT LFEMTESDPS LDYVCNYYLN IADQLLAMPE
260 270 280
GVVPNDAPDR ELFTLLSDFY LNPQTPVKSQ EEELDLMMV
Length:289
Mass (Da):31,661
Last modified:February 10, 2009 - v1
Checksum:i30416F0FC444CECD
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001287 Genomic DNA Translation: ACK64873.1
RefSeqiWP_012594149.1, NC_011726.1

Genome annotation databases

EnsemblBacteriaiACK64873; ACK64873; PCC8801_0791
KEGGicyp:PCC8801_0791

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP001287 Genomic DNA Translation: ACK64873.1
RefSeqiWP_012594149.1, NC_011726.1

3D structure databases

ProteinModelPortaliB7JYK3
SMRiB7JYK3
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi41431.PCC8801_0791

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiACK64873; ACK64873; PCC8801_0791
KEGGicyp:PCC8801_0791

Phylogenomic databases

eggNOGiENOG4105DSM Bacteria
COG1348 LUCA
HOGENOMiHOG000228825
KOiK04037
OMAiPGDIVCG
OrthoDBiPOG091H0230

Enzyme and pathway databases

UniPathwayi
UPA00670

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_CYAP8
AccessioniPrimary (citable) accession number: B7JYK3
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: February 10, 2009
Last modified: October 10, 2018
This is version 59 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic 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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