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P0C0Y7 (RCEH_RHOSH) Reviewed, UniProtKB/Swiss-Prot

Last modified July 9, 2014. Version 56. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Reaction center protein H chain
Alternative name(s):
Photosynthetic reaction center H subunit
Gene names
Name:puhA
OrganismRhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
Taxonomic identifier1063 [NCBI]
Taxonomic lineageBacteriaProteobacteriaAlphaproteobacteriaRhodobacteralesRhodobacteraceaeRhodobacter

Protein attributes

Sequence length260 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

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

Cofactor

Binds 4 bacteriochlorophylls per trimer.

Binds 2 bacteriopheophytins per trimer.

Binds 1 iron ion per trimer.

Binds 4 magnesium ions per trimer.

Binds 2 ubiquinone per trimer.

Subunit structure

Heterotrimer composed of subunits L, M, and H.

Subcellular location

Cellular chromatophore membrane; Single-pass membrane protein.

Sequence similarities

Belongs to the reaction center PuhA family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 260260Reaction center protein H chain
PRO_0000090394

Regions

Topological domain1 – 1111Periplasmic
Transmembrane12 – 3120Helical
Topological domain32 – 260229Cytoplasmic

Secondary structure

............................................................. 260
Helix Strand Turn

Details...

Sequences

Sequence LengthMass (Da)Tools
P0C0Y7 [UniParc].

Last modified January 24, 2006. Version 1.
Checksum: 7E0B913B63D4DEB0

FASTA26028,035
        10         20         30         40         50         60 
MVGVTAFGNF DLASLAIYSF WIFLAGLIYY LQTENMREGY PLENEDGTPA ANQGPFPLPK 

        70         80         90        100        110        120 
PKTFILPHGR GTLTVPGPES EDRPIALART AVSEGFPHAP TGDPMKDGVG PASWVARRDL 

       130        140        150        160        170        180 
PELDGHGHNK IKPMKAAAGF HVSAGKNPIG LPVRGCDLEI AGKVVDIWVD IPEQMARFLE 

       190        200        210        220        230        240 
VELKDGSTRL LPMQMVKVQS NRVHVNALSS DLFAGIPTIK SPTEVTLLEE DKICGYVAGG 

       250        260 
LMYAAPKRKS VVAAMLAEYA 

« Hide

References

[1]"Primary structure of the reaction center from Rhodopseudomonas sphaeroides."
Williams J.C., Steiner L.A., Feher G.
Proteins 1:312-325(1986) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[2]Picaud M.
Submitted (OCT-1991) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: Y.
[3]"Structure of the membrane-bound protein photosynthetic reaction center from Rhodobacter sphaeroides."
Chang C.-H., El-Kabbani O., Tiede D., Norris J., Schiffer M.
Biochemistry 30:5352-5360(1991) [PubMed] [Europe PMC] [Abstract]
Cited for: X-RAY CRYSTALLOGRAPHY (3.1 ANGSTROMS).
[4]"Structure of the reaction center from Rhodobacter sphaeroides R-26: protein-cofactor (quinones and Fe2+) interactions."
Allen J.P., Feher G., Yeates T.O., Komiya H., Rees D.C.
Proc. Natl. Acad. Sci. U.S.A. 85:8487-8491(1988) [PubMed] [Europe PMC] [Abstract]
Cited for: X-RAY CRYSTALLOGRAPHY (2.8 ANGSTROMS).
Strain: R-26.
[5]"Structure of the reaction center from Rhodobacter sphaeroides R-26: the protein subunits."
Allen J.P., Feher G., Yeates T.O., Komiya H., Rees D.C.
Proc. Natl. Acad. Sci. U.S.A. 84:6162-6166(1987) [PubMed] [Europe PMC] [Abstract]
Cited for: X-RAY CRYSTALLOGRAPHY (2.8 ANGSTROMS).
Strain: R-26.
[6]"Structural studies of wild-type and mutant reaction centers from an antenna-deficient strain of Rhodobacter sphaeroides: monitoring the optical properties of the complex from bacterial cell to crystal."
McAuley-Hecht K.E., Fyfe P.K., Ridge J.P., Prince S.M., Hunter C.N., Isaacs N.W., Cogdell R.J., Jones M.R.
Biochemistry 37:4740-4750(1998) [PubMed] [Europe PMC] [Abstract]
Cited for: X-RAY CRYSTALLOGRAPHY (2.55 ANGSTROMS).
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
M18412 Genomic DNA. Translation: AAA26176.1.
X63378 Genomic DNA. Translation: CAA44976.1.
PIRA26538.

3D structure databases

PDBe
RCSB-PDB
PDBj
EntryMethodResolution (Å)ChainPositionsPDBsum
1AIGX-ray2.60H/P1-260[»]
1AIJX-ray2.20H/T1-260[»]
1DS8X-ray2.50H/T1-260[»]
1DV3X-ray2.50H/T1-260[»]
1DV6X-ray2.50H/T1-260[»]
1E14X-ray2.70H1-260[»]
1E6DX-ray2.30H1-260[»]
1F6NX-ray2.80H1-260[»]
1FNPX-ray2.60H1-260[»]
1FNQX-ray2.60H1-260[»]
1JGWX-ray2.80H1-260[»]
1JGXX-ray3.01H1-260[»]
1JGYX-ray2.70H1-260[»]
1JGZX-ray2.70H1-260[»]
1JH0X-ray3.50H1-260[»]
1K6LX-ray3.10H1-260[»]
1K6NX-ray3.10H1-260[»]
1KBYX-ray2.50H1-260[»]
1L9BX-ray2.40H1-260[»]
1L9JX-ray3.25H/T1-260[»]
1M3XX-ray2.55H1-260[»]
1MPSX-ray2.55H1-260[»]
1OGVX-ray2.35H11-260[»]
1PCRX-ray2.65H1-260[»]
1PSSX-ray3.00H12-248[»]
1PSTX-ray3.00H12-248[»]
1QOVX-ray2.10H1-260[»]
1RG5X-ray2.50H1-260[»]
1RGNX-ray2.80H1-260[»]
1RQKX-ray2.70H1-260[»]
1RVJX-ray2.75H1-260[»]
1RY5X-ray2.10H1-260[»]
1RZHX-ray1.80H1-260[»]
1RZZX-ray2.40H/T1-260[»]
1S00X-ray2.60H/T1-260[»]
1UMXX-ray2.80H1-260[»]
1YF6X-ray2.25H1-260[»]
1YSTX-ray3.00H1-260[»]
1Z9JX-ray4.50C1-260[»]
1Z9KX-ray4.60C1-260[»]
2BNPX-ray2.70C1-260[»]
2BNSX-ray2.50C1-260[»]
2BOZX-ray2.40H1-260[»]
2GMRX-ray2.50H1-260[»]
2GNUX-ray2.20H11-245[»]
2HG3X-ray2.70H1-260[»]
2HG9X-ray2.45H1-260[»]
2HH1X-ray2.55H1-260[»]
2HHKX-ray2.50H1-260[»]
2HITX-ray2.75H1-260[»]
2HJ6X-ray3.00H1-260[»]
2J8CX-ray1.87H1-260[»]
2J8DX-ray2.07H1-260[»]
2JIYX-ray2.20H1-260[»]
2JJ0X-ray2.80H1-260[»]
2RCRX-ray3.10H1-260[»]
2UWSX-ray2.90H1-260[»]
2UWTX-ray2.50H1-260[»]
2UWUX-ray2.04H1-260[»]
2UWVX-ray2.13H1-260[»]
2UWWX-ray2.05H1-260[»]
2UX3X-ray2.50H1-260[»]
2UX4X-ray2.51H1-260[»]
2UX5X-ray2.21H1-260[»]
2UXJX-ray2.25H1-260[»]
2UXKX-ray2.31H1-260[»]
2UXLX-ray2.88H1-260[»]
2UXMX-ray2.70H1-260[»]
3DSYX-ray3.00H1-260[»]
3DTAX-ray3.20H1-260[»]
3DTRX-ray3.10H1-260[»]
3DTSX-ray3.10H1-260[»]
3DU2X-ray3.10H1-260[»]
3DU3X-ray2.80H1-260[»]
3DUQX-ray2.70H1-260[»]
3I4DX-ray2.01H1-260[»]
3V3YX-ray2.80H10-250[»]
3V3ZX-ray2.90H10-250[»]
3ZUMX-ray2.50H1-260[»]
3ZUWX-ray2.31H1-260[»]
4H99X-ray2.97H11-250[»]
4H9LX-ray2.77H11-250[»]
4HBHX-ray2.93H11-250[»]
4HBJX-ray2.74H11-250[»]
4IN7X-ray2.85H1-250[»]
4JC9X-ray7.78H1-260[»]
4JCBX-ray7.78H1-260[»]
4N7KX-ray2.85H11-251[»]
4RCRX-ray2.80H1-260[»]
ProteinModelPortalP0C0Y7.
SMRP0C0Y7. Positions 1-260.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

DIPDIP-60491N.

Protein family/group databases

TCDB3.E.2.1.1. the photosynthetic reaction center (prc) family.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

Gene3D3.90.50.10. 1 hit.
4.10.540.10. 1 hit.
InterProIPR014747. Bac_photo_RC_H_C.
IPR005652. Photo_RC_H.
IPR015810. Photo_RC_H_N.
IPR027275. PRC-brl_dom.
IPR011033. PRC_barrel-like.
[Graphical view]
PfamPF05239. PRC. 1 hit.
PF03967. PRCH. 1 hit.
[Graphical view]
SUPFAMSSF50346. SSF50346. 1 hit.
TIGRFAMsTIGR01150. puhA. 1 hit.
ProtoNetSearch...

Other

EvolutionaryTraceP0C0Y7.

Entry information

Entry nameRCEH_RHOSH
AccessionPrimary (citable) accession number: P0C0Y7
Secondary accession number(s): P11846, Q9RFD9
Entry history
Integrated into UniProtKB/Swiss-Prot: January 24, 2006
Last sequence update: January 24, 2006
Last modified: July 9, 2014
This is version 56 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

SIMILARITY comments

Index of protein domains and families

PDB cross-references

Index of Protein Data Bank (PDB) cross-references