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P0C0Y7

- RCEH_RHOSH

UniProt

P0C0Y7 - RCEH_RHOSH

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Protein
Reaction center protein H chain
Gene
puhA
Organism
Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
Status
Reviewed - Annotation score: 5 out of 5 - 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.

Cofactori

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.

GO - Molecular functioni

  1. bacteriochlorophyll binding Source: UniProtKB-KW
  2. electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity Source: InterPro

GO - Biological processi

  1. oxidation-reduction process Source: UniProtKB-KW
  2. photosynthesis, light reaction Source: InterPro
  3. protein-chromophore linkage Source: UniProtKB-KW
Complete GO annotation...

Keywords - Biological processi

Electron transport, Photosynthesis, Transport

Keywords - Ligandi

Bacteriochlorophyll, Chlorophyll, Chromophore

Protein family/group databases

TCDBi3.E.2.1.1. the photosynthetic reaction center (prc) family.

Names & Taxonomyi

Protein namesi
Recommended name:
Reaction center protein H chain
Alternative name(s):
Photosynthetic reaction center H subunit
Gene namesi
Name:puhA
OrganismiRhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
Taxonomic identifieri1063 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhodobacteralesRhodobacteraceaeRhodobacter

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Topological domaini1 – 1111Periplasmic
Add
BLAST
Transmembranei12 – 3120Helical
Add
BLAST
Topological domaini32 – 260229Cytoplasmic
Add
BLAST

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. plasma membrane light-harvesting complex Source: InterPro
  3. plasma membrane-derived chromatophore membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Reaction center

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 260260Reaction center protein H chain
PRO_0000090394Add
BLAST

Interactioni

Subunit structurei

Heterotrimer composed of subunits L, M, and H.

Protein-protein interaction databases

DIPiDIP-60491N.

Structurei

Secondary structure

Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Turni6 – 83
Helixi12 – 3423
Beta strandi37 – 393
Beta strandi40 – 434
Beta strandi47 – 493
Beta strandi50 – 523
Beta strandi56 – 583
Beta strandi62 – 665
Helixi67 – 693
Beta strandi71 – 766
Beta strandi87 – 937
Beta strandi98 – 1025
Helixi104 – 1074
Helixi110 – 1123
Beta strandi127 – 1337
Helixi134 – 1363
Beta strandi137 – 1393
Beta strandi141 – 1455
Helixi148 – 1503
Beta strandi152 – 1554
Beta strandi156 – 1583
Beta strandi160 – 17011
Turni171 – 1744
Beta strandi175 – 1828
Beta strandi184 – 1863
Beta strandi188 – 1925
Helixi193 – 1953
Beta strandi197 – 1993
Beta strandi203 – 2075
Helixi210 – 2123
Turni213 – 2153
Beta strandi220 – 2234
Helixi227 – 24317
Helixi245 – 2473
Beta strandi248 – 2503
Helixi251 – 2544

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
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[»]
ProteinModelPortaliP0C0Y7.
SMRiP0C0Y7. Positions 1-260.

Miscellaneous databases

EvolutionaryTraceiP0C0Y7.

Family & Domainsi

Sequence similaritiesi

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

Gene3Di3.90.50.10. 1 hit.
4.10.540.10. 1 hit.
InterProiIPR014747. Bac_photo_RC_H_C.
IPR005652. Photo_RC_H.
IPR015810. Photo_RC_H_N.
IPR027275. PRC-brl_dom.
IPR011033. PRC_barrel-like.
[Graphical view]
PfamiPF05239. PRC. 1 hit.
PF03967. PRCH. 1 hit.
[Graphical view]
SUPFAMiSSF50346. SSF50346. 1 hit.
TIGRFAMsiTIGR01150. puhA. 1 hit.

Sequencei

Sequence statusi: Complete.

P0C0Y7-1 [UniParc]FASTAAdd to Basket

« Hide

MVGVTAFGNF DLASLAIYSF WIFLAGLIYY LQTENMREGY PLENEDGTPA    50
ANQGPFPLPK PKTFILPHGR GTLTVPGPES EDRPIALART AVSEGFPHAP 100
TGDPMKDGVG PASWVARRDL PELDGHGHNK IKPMKAAAGF HVSAGKNPIG 150
LPVRGCDLEI AGKVVDIWVD IPEQMARFLE VELKDGSTRL LPMQMVKVQS 200
NRVHVNALSS DLFAGIPTIK SPTEVTLLEE DKICGYVAGG LMYAAPKRKS 250
VVAAMLAEYA 260
Length:260
Mass (Da):28,035
Last modified:January 24, 2006 - v1
Checksum:i7E0B913B63D4DEB0
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M18412 Genomic DNA. Translation: AAA26176.1.
X63378 Genomic DNA. Translation: CAA44976.1.
PIRiA26538.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M18412 Genomic DNA. Translation: AAA26176.1 .
X63378 Genomic DNA. Translation: CAA44976.1 .
PIRi A26538.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
1AIG X-ray 2.60 H/P 1-260 [» ]
1AIJ X-ray 2.20 H/T 1-260 [» ]
1DS8 X-ray 2.50 H/T 1-260 [» ]
1DV3 X-ray 2.50 H/T 1-260 [» ]
1DV6 X-ray 2.50 H/T 1-260 [» ]
1E14 X-ray 2.70 H 1-260 [» ]
1E6D X-ray 2.30 H 1-260 [» ]
1F6N X-ray 2.80 H 1-260 [» ]
1FNP X-ray 2.60 H 1-260 [» ]
1FNQ X-ray 2.60 H 1-260 [» ]
1JGW X-ray 2.80 H 1-260 [» ]
1JGX X-ray 3.01 H 1-260 [» ]
1JGY X-ray 2.70 H 1-260 [» ]
1JGZ X-ray 2.70 H 1-260 [» ]
1JH0 X-ray 3.50 H 1-260 [» ]
1K6L X-ray 3.10 H 1-260 [» ]
1K6N X-ray 3.10 H 1-260 [» ]
1KBY X-ray 2.50 H 1-260 [» ]
1L9B X-ray 2.40 H 1-260 [» ]
1L9J X-ray 3.25 H/T 1-260 [» ]
1M3X X-ray 2.55 H 1-260 [» ]
1MPS X-ray 2.55 H 1-260 [» ]
1OGV X-ray 2.35 H 11-260 [» ]
1PCR X-ray 2.65 H 1-260 [» ]
1PSS X-ray 3.00 H 12-248 [» ]
1PST X-ray 3.00 H 12-248 [» ]
1QOV X-ray 2.10 H 1-260 [» ]
1RG5 X-ray 2.50 H 1-260 [» ]
1RGN X-ray 2.80 H 1-260 [» ]
1RQK X-ray 2.70 H 1-260 [» ]
1RVJ X-ray 2.75 H 1-260 [» ]
1RY5 X-ray 2.10 H 1-260 [» ]
1RZH X-ray 1.80 H 1-260 [» ]
1RZZ X-ray 2.40 H/T 1-260 [» ]
1S00 X-ray 2.60 H/T 1-260 [» ]
1UMX X-ray 2.80 H 1-260 [» ]
1YF6 X-ray 2.25 H 1-260 [» ]
1YST X-ray 3.00 H 1-260 [» ]
1Z9J X-ray 4.50 C 1-260 [» ]
1Z9K X-ray 4.60 C 1-260 [» ]
2BNP X-ray 2.70 C 1-260 [» ]
2BNS X-ray 2.50 C 1-260 [» ]
2BOZ X-ray 2.40 H 1-260 [» ]
2GMR X-ray 2.50 H 1-260 [» ]
2GNU X-ray 2.20 H 11-245 [» ]
2HG3 X-ray 2.70 H 1-260 [» ]
2HG9 X-ray 2.45 H 1-260 [» ]
2HH1 X-ray 2.55 H 1-260 [» ]
2HHK X-ray 2.50 H 1-260 [» ]
2HIT X-ray 2.75 H 1-260 [» ]
2HJ6 X-ray 3.00 H 1-260 [» ]
2J8C X-ray 1.87 H 1-260 [» ]
2J8D X-ray 2.07 H 1-260 [» ]
2JIY X-ray 2.20 H 1-260 [» ]
2JJ0 X-ray 2.80 H 1-260 [» ]
2RCR X-ray 3.10 H 1-260 [» ]
2UWS X-ray 2.90 H 1-260 [» ]
2UWT X-ray 2.50 H 1-260 [» ]
2UWU X-ray 2.04 H 1-260 [» ]
2UWV X-ray 2.13 H 1-260 [» ]
2UWW X-ray 2.05 H 1-260 [» ]
2UX3 X-ray 2.50 H 1-260 [» ]
2UX4 X-ray 2.51 H 1-260 [» ]
2UX5 X-ray 2.21 H 1-260 [» ]
2UXJ X-ray 2.25 H 1-260 [» ]
2UXK X-ray 2.31 H 1-260 [» ]
2UXL X-ray 2.88 H 1-260 [» ]
2UXM X-ray 2.70 H 1-260 [» ]
3DSY X-ray 3.00 H 1-260 [» ]
3DTA X-ray 3.20 H 1-260 [» ]
3DTR X-ray 3.10 H 1-260 [» ]
3DTS X-ray 3.10 H 1-260 [» ]
3DU2 X-ray 3.10 H 1-260 [» ]
3DU3 X-ray 2.80 H 1-260 [» ]
3DUQ X-ray 2.70 H 1-260 [» ]
3I4D X-ray 2.01 H 1-260 [» ]
3V3Y X-ray 2.80 H 10-250 [» ]
3V3Z X-ray 2.90 H 10-250 [» ]
3ZUM X-ray 2.50 H 1-260 [» ]
3ZUW X-ray 2.31 H 1-260 [» ]
4H99 X-ray 2.97 H 11-250 [» ]
4H9L X-ray 2.77 H 11-250 [» ]
4HBH X-ray 2.93 H 11-250 [» ]
4HBJ X-ray 2.74 H 11-250 [» ]
4IN7 X-ray 2.85 H 1-250 [» ]
4JC9 X-ray 7.78 H 1-260 [» ]
4JCB X-ray 7.78 H 1-260 [» ]
4N7K X-ray 2.85 H 11-251 [» ]
4RCR X-ray 2.80 H 1-260 [» ]
ProteinModelPortali P0C0Y7.
SMRi P0C0Y7. Positions 1-260.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

DIPi DIP-60491N.

Protein family/group databases

TCDBi 3.E.2.1.1. the photosynthetic reaction center (prc) family.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Miscellaneous databases

EvolutionaryTracei P0C0Y7.

Family and domain databases

Gene3Di 3.90.50.10. 1 hit.
4.10.540.10. 1 hit.
InterProi IPR014747. Bac_photo_RC_H_C.
IPR005652. Photo_RC_H.
IPR015810. Photo_RC_H_N.
IPR027275. PRC-brl_dom.
IPR011033. PRC_barrel-like.
[Graphical view ]
Pfami PF05239. PRC. 1 hit.
PF03967. PRCH. 1 hit.
[Graphical view ]
SUPFAMi SSF50346. SSF50346. 1 hit.
TIGRFAMsi TIGR01150. puhA. 1 hit.
ProtoNeti Search...

Publicationsi

  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).

Entry informationi

Entry nameiRCEH_RHOSH
AccessioniPrimary (citable) accession number: P0C0Y7
Secondary accession number(s): P11846, Q9RFD9
Entry historyi
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 statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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