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Protein

Reaction center protein L chain

Gene

pufL

Organism
Blastochloris viridis (Rhodopseudomonas viridis)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

The reaction center is a membrane-bound complex that mediates the initial photochemical event in the electron transfer process of photosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi154Magnesium (bacteriochlorophyll b axial ligand)1
Metal bindingi174Magnesium (bacteriochlorophyll b axial ligand)1
Metal bindingi191Iron1
Binding sitei217Quinone B1
Metal bindingi231Iron1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Biological processElectron transport, Photosynthesis, Transport
LigandBacteriochlorophyll, Chlorophyll, Chromophore, Iron, Magnesium, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Reaction center protein L chain
Alternative name(s):
Photosynthetic reaction center L subunit
Gene namesi
Name:pufL
OrganismiBlastochloris viridis (Rhodopseudomonas viridis)
Taxonomic identifieri1079 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesHyphomicrobiaceaeBlastochloris

Subcellular locationi

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Topological domaini2 – 32Cytoplasmic1 PublicationAdd BLAST31
Transmembranei33 – 53HelicalAdd BLAST21
Topological domaini54 – 83Periplasmic1 PublicationAdd BLAST30
Transmembranei84 – 111HelicalAdd BLAST28
Topological domaini112 – 115Cytoplasmic1 Publication4
Transmembranei116 – 139HelicalAdd BLAST24
Topological domaini140 – 170Periplasmic1 PublicationAdd BLAST31
Transmembranei171 – 198HelicalAdd BLAST28
Topological domaini199 – 225Cytoplasmic1 PublicationAdd BLAST27
Transmembranei226 – 249HelicalAdd BLAST24
Topological domaini250 – 274Periplasmic1 PublicationAdd BLAST25

GO - Cellular componenti

Keywords - Cellular componenti

Membrane, Reaction center

Pathology & Biotechi

Chemistry databases

DrugBankiDB08215 2-T-BUTYLAMINO-4-ETHYLAMINO-6-METHYLTHIO-S-TRIAZINE
DB04147 Lauryl Dimethylamine-N-Oxide
DB04464 N-Formylmethionine
DB08689 UBIQUINONE-1
DB08690 UBIQUINONE-2

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemoved
ChainiPRO_00000904102 – 274Reaction center protein L chainAdd BLAST273

Interactioni

Subunit structurei

Reaction center is composed of four bacteriochlorophylls, two bacteriopheophytins, two ubiquinones, one iron, and three highly hydrophobic polypeptide chains (designated L, M, and H).

Structurei

Secondary structure

1274
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

ProteinModelPortaliP06009
SMRiP06009
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP06009

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

CDDicd09290 Photo-RC_L, 1 hit
Gene3Di1.20.85.10, 2 hits
InterProiView protein in InterPro
IPR036854 Photo_II_D1/D2_sf
IPR005871 Photo_RC_L
IPR000484 Photo_RC_L/M
PANTHERiPTHR33149 PTHR33149, 1 hit
PfamiView protein in Pfam
PF00124 Photo_RC, 1 hit
PRINTSiPR00256 REACTNCENTRE
SUPFAMiSSF81483 SSF81483, 1 hit
TIGRFAMsiTIGR01157 pufL, 1 hit
PROSITEiView protein in PROSITE
PS00244 REACTION_CENTER, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P06009-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MALLSFERKY RVRGGTLIGG DLFDFWVGPY FVGFFGVSAI FFIFLGVSLI
60 70 80 90 100
GYAASQGPTW DPFAISINPP DLKYGLGAAP LLEGGFWQAI TVCALGAFIS
110 120 130 140 150
WMLREVEISR KLGIGWHVPL AFCVPIFMFC VLQVFRPLLL GSWGHAFPYG
160 170 180 190 200
ILSHLDWVNN FGYQYLNWHY NPGHMSSVSF LFVNAMALGL HGGLILSVAN
210 220 230 240 250
PGDGDKVKTA EHENQYFRDV VGYSIGALSI HRLGLFLASN IFLTGAFGTI
260 270
ASGPFWTRGW PEWWGWWLDI PFWS
Length:274
Mass (Da):30,578
Last modified:January 23, 2007 - v3
Checksum:i98E0F11A7345EC38
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X03915 Genomic DNA Translation: CAA27550.1
PIRiA25102
RefSeqiWP_055036366.1, NZ_LN907867.1

Similar proteinsi

Entry informationi

Entry nameiRCEL_BLAVI
AccessioniPrimary (citable) accession number: P06009
Entry historyiIntegrated into UniProtKB/Swiss-Prot: August 13, 1987
Last sequence update: January 23, 2007
Last modified: May 23, 2018
This is version 130 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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