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Protein

Magnesium-chelatase subunit ChlI

Gene

chlI

Organism
Synechocystis sp. (strain PCC 6803 / Kazusa)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Involved in chlorophyll biosynthesis; introduces a magnesium ion into protoporphyrin IX to yield Mg-protoporphyrin IX.

Catalytic activityi

ATP + protoporphyrin IX + Mg2+ + H2O = ADP + phosphate + Mg-protoporphyrin IX + 2 H+.

Pathwayi: chlorophyll biosynthesis

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

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi47 – 54ATPSequence analysis8

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionLigase
Biological processChlorophyll biosynthesis, Photosynthesis
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

BRENDAi6.6.1.1 382
SABIO-RKiP51634
UniPathwayiUPA00668

Names & Taxonomyi

Protein namesi
Recommended name:
Magnesium-chelatase subunit ChlI (EC:6.6.1.1)
Alternative name(s):
Mg-protoporphyrin IX chelatase
Gene namesi
Name:chlI
Ordered Locus Names:slr1030
OrganismiSynechocystis sp. (strain PCC 6803 / Kazusa)
Taxonomic identifieri1111708 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesMerismopediaceaeSynechocystis
Proteomesi
  • UP000001425 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002068631 – 357Magnesium-chelatase subunit ChlIAdd BLAST357

Proteomic databases

PaxDbiP51634
PRIDEiP51634

Interactioni

Protein-protein interaction databases

IntActiP51634, 1 interactor
STRINGi1148.SYNGTS_0591

Structurei

3D structure databases

ProteinModelPortaliP51634
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the Mg-chelatase subunits D/I family.Curated

Phylogenomic databases

HOGENOMiHOG000225091
InParanoidiP51634
KOiK03405
OMAiHRGELTI
PhylomeDBiP51634

Family and domain databases

InterProiView protein in InterPro
IPR003593 AAA+_ATPase
IPR011775 Mg_chelatase_ATPase-isu
IPR000523 Mg_chelatse_chII_dom
IPR027417 P-loop_NTPase
PfamiView protein in Pfam
PF01078 Mg_chelatase, 1 hit
SMARTiView protein in SMART
SM00382 AAA, 1 hit
SUPFAMiSSF52540 SSF52540, 1 hit
TIGRFAMsiTIGR02030 BchI-ChlI, 1 hit

Sequencei

Sequence statusi: Complete.

P51634-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MTATLAAPSK TRRVVFPFTA IVGQDEMKLA LLLNVIDPKI GGVMIMGDRG
60 70 80 90 100
TGKSTTIRAL ADLLPEIEVV ANDPFNSSPS DPEMMSEEVR IRVDSQEPLS
110 120 130 140 150
IVKKKVTMVD LPLGATEDRV CGTIDIEKAL SEGVKAFEPG LLAKANRGIL
160 170 180 190 200
YVDEVNLLDD HLVDVLLDSA AGGWNTVERE GISIRHPARF VLVGSGNPEE
210 220 230 240 250
GELRPQLLDR FGMHAEIRTV REPELRVKIV EQRTEFDQNP HPFCDQYQTE
260 270 280 290 300
QEALQAKIVN AQNLLPQVTI DYDYRVKVSE VCAELDVDGL RGDIVTNRAA
310 320 330 340 350
KALAAFEGRT EVTVDDISRV IVLCLRHRLR KDPLESIDSG SKVEKVFKRV

FGVVDEA
Length:357
Mass (Da):39,463
Last modified:November 1, 1997 - v2
Checksum:i80F04C2539B46A05
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti170A → T in AAC44138 (PubMed:8663186).Curated1
Sequence conflicti302 – 306ALAAF → PWPLL in AAC44138 (PubMed:8663186).Curated5

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
U35144 Genomic DNA Translation: AAC44138.1
BA000022 Genomic DNA Translation: BAA17166.1
PIRiS75252
T46868

Genome annotation databases

EnsemblBacteriaiBAA17166; BAA17166; BAA17166
KEGGisyn:slr1030

Similar proteinsi

Entry informationi

Entry nameiCHLI_SYNY3
AccessioniPrimary (citable) accession number: P51634
Secondary accession number(s): P73140
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: November 1, 1997
Last modified: May 23, 2018
This is version 116 of the entry and version 2 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. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families
  3. Synechocystis PCC 6803
    Synechocystis (strain PCC 6803): entries and gene names

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