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P0C0Y7

- RCEH_RHOSH

UniProt

P0C0Y7 - RCEH_RHOSH

Protein

Reaction center protein H chain

Gene

puhA

Organism
Rhodobacter sphaeroides (Rhodopseudomonas sphaeroides)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli
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    • History
      Entry version 57 (01 Oct 2014)
      Sequence version 1 (24 Jan 2006)
      Previous versions | rss
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    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

    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

    GO - Cellular componenti

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

    Keywords - Cellular componenti

    Membrane, Reaction center

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 260260Reaction center protein H chainPRO_0000090394Add
    BLAST

    Interactioni

    Subunit structurei

    Heterotrimer composed of subunits L, M, and H.

    Protein-protein interaction databases

    DIPiDIP-60491N.

    Structurei

    Secondary structure

    1
    260
    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.
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiP0C0Y7.

    Topological domain

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Topological domaini1 – 1111PeriplasmicAdd
    BLAST
    Topological domaini32 – 260229CytoplasmicAdd
    BLAST

    Transmembrane

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Transmembranei12 – 3120HelicalAdd
    BLAST

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the reaction center PuhA family.Curated

    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: October 1, 2014
    This is version 57 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