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(-) Description

Title :  REACTION CENTRE FROM RHODOBACTER SPHAEROIDES STRAIN R-26.1 COMPLEXED WITH DIBROMINATED PHOSPHATIDYLETHANOLAMINE
 
Authors :  A. W. Roszak, A. T. Gardiner, N. W. Isaacs, R. J. Cogdell
Date :  29 Jun 06  (Deposition) - 27 Mar 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.75
Chains :  Asym./Biol. Unit :  H,L,M
Keywords :  Photosynthesis, Photosynthetic Reaction Center, Lipid Binding Sites, Brominated Lipids, Membrane Protein, Photosynthesis-Membrane Protein Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. W. Roszak, A. T. Gardiner, N. W. Isaacs, R. J. Cogdell
Brominated Lipids Identify Lipid Binding Sites On The Surface Of The Reaction Center From Rhodobacter Sphaeroides
Biochemistry V. 46 2909 2007
PubMed-ID: 17315985  |  Reference-DOI: 10.1021/BI062154I

(-) Compounds

Molecule 1 - REACTION CENTER PROTEIN L CHAIN
    ChainsL
    Organism ScientificRHODOBACTER SPHAEROIDES
    Organism Taxid1063
    Other DetailsSTRAIN R-26.1 OF RHODOBACTER SPHAEROIDES BACTERIA IS A PARTIAL REVERTANT OF THE R-26 CHEMICAL MUTANT OF THE WILD-TYPE STRAIN 2.4.1. WHILE R-26 HAS NO LH2 ANTENNA AND NO CAROTENOID, THE R-26.1 HAS ALTERED LH2 ANTENNA AND NO CAROTENOID. REACTION CENTER FROM R-26.1 STRAIN IS THEREFORE IDENTICAL WITH THE WILD-TYPE STRAIN 2.4.1 EXCEPT FOR THE MISSING CAROTENOID.
    StrainR26.1
    SynonymPHOTOSYNTHETIC REACTION CENTER L SUBUNIT
 
Molecule 2 - REACTION CENTER PROTEIN M CHAIN
    ChainsM
    Organism ScientificRHODOBACTER SPHAEROIDES
    Organism Taxid1063
    Other DetailsSTRAIN R-26.1 OF RHODOBACTER SPHAEROIDES BACTERIA IS A PARTIAL REVERTANT OF THE R-26 CHEMICAL MUTANT OF THE WILD-TYPE STRAIN 2.4.1. WHILE R-26 HAS NO LH2 ANTENNA AND NO CAROTENOID, THE R-26.1 HAS ALTERED LH2 ANTENNA AND NO CAROTENOID. REACTION CENTER FROM R-26.1 STRAIN IS THEREFORE IDENTICAL WITH THE WILD-TYPE STRAIN 2.4.1 EXCEPT FOR THE MISSING CAROTENOID.
    StrainR26.1
    SynonymPHOTOSYNTHETIC REACTION CENTER M SUBUNIT
 
Molecule 3 - REACTION CENTER PROTEIN H CHAIN
    ChainsH
    Organism ScientificRHODOBACTER SPHAEROIDES
    Organism Taxid1063
    Other DetailsSTRAIN R-26.1 OF RHODOBACTER SPHAEROIDES BACTERIA IS A PARTIAL REVERTANT OF THE R-26 CHEMICAL MUTANT OF THE WILD-TYPE STRAIN 2.4.1. WHILE R-26 HAS NO LH2 ANTENNA AND NO CAROTENOID, THE R-26.1 HAS ALTERED LH2 ANTENNA AND NO CAROTENOID. REACTION CENTER FROM R-26.1 STRAIN IS THEREFORE IDENTICAL WITH THE WILD-TYPE STRAIN 2.4.1 EXCEPT FOR THE MISSING CAROTENOID.
    StrainR26.1
    SynonymPHOTOSYNTHETIC REACTION CENTER H SUBUNIT

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit HLM

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (12, 27)

Asymmetric/Biological Unit (12, 27)
No.NameCountTypeFull Name
1BCL4Ligand/IonBACTERIOCHLOROPHYLL A
2BPH2Ligand/IonBACTERIOPHEOPHYTIN A
3CDL1Ligand/IonCARDIOLIPIN
4CL3Ligand/IonCHLORIDE ION
5FE1Ligand/IonFE (III) ION
6GOL2Ligand/IonGLYCEROL
7K1Ligand/IonPOTASSIUM ION
8LDA6Ligand/IonLAURYL DIMETHYLAMINE-N-OXIDE
9PEV1Ligand/Ion(1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE
10PEW1Ligand/Ion(1R)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL (9S,10S)-9,10-DIBROMOOCTADECANOATE
11PO43Ligand/IonPHOSPHATE ION
12U102Ligand/IonUBIQUINONE-10

(-) Sites  (27, 27)

Asymmetric Unit (27, 27)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREHIS L:190 , HIS L:230 , HIS M:219 , GLU M:234 , HIS M:266BINDING SITE FOR RESIDUE FE M 500
02AC2SOFTWAREMET H:134 , ALA H:137 , PHE H:140 , HOH H:1307BINDING SITE FOR RESIDUE K H 700
03AC3SOFTWARETYR H:30 , ARG M:267 , TRP M:271 , CDL M:800BINDING SITE FOR RESIDUE CL M 701
04AC4SOFTWARETYR M:51 , GLY M:53 , GLY M:56 , ARG M:132 , HOH M:1254BINDING SITE FOR RESIDUE CL M 702
05AC5SOFTWAREHIS H:128 , ASN H:129 , HOH H:1280BINDING SITE FOR RESIDUE CL H 703
06AC6SOFTWAREASN M:28 , GLY M:53 , SER M:54 , HOH M:1166 , HOH M:1171 , HOH M:1266BINDING SITE FOR RESIDUE PO4 M 704
07AC7SOFTWAREGLN H:199 , ARG H:202 , HOH H:1268 , HOH H:1354 , HOH H:1381 , HOH H:1382BINDING SITE FOR RESIDUE PO4 H 705
08AC8SOFTWARETYR M:134 , GLN M:138 , HOH M:1383BINDING SITE FOR RESIDUE PO4 M 706
09AC9SOFTWAREHIS L:168 , MET L:174 , ILE L:177 , SER L:178 , THR L:182 , MET M:122 , HIS M:182 , LEU M:183 , THR M:186 , BCL M:313 , BPH M:401 , PEW M:802 , LDA M:920 , HOH M:1006BINDING SITE FOR RESIDUE BCL M 311
10BC1SOFTWAREPHE L:97 , ALA L:124 , ILE L:125 , ALA L:127 , LEU L:131 , VAL L:157 , TYR L:162 , ASN L:166 , PHE L:167 , HIS L:168 , HIS L:173 , ALA L:176 , ILE L:177 , PHE L:180 , SER L:244 , CYS L:247 , MET L:248 , BCL L:314 , BPH L:402 , TYR M:210 , BCL M:313BINDING SITE FOR RESIDUE BCL L 312
11BC2SOFTWARETYR L:162 , PHE L:181 , BCL L:312 , LEU M:156 , LEU M:160 , THR M:186 , ASN M:187 , PHE M:189 , SER M:190 , LEU M:196 , PHE M:197 , HIS M:202 , SER M:205 , ILE M:206 , TYR M:210 , VAL M:276 , GLY M:280 , ILE M:284 , BCL M:311 , BPH M:401 , PEW M:802BINDING SITE FOR RESIDUE BCL M 313
12BC3SOFTWAREPEV H:801 , TYR L:128 , LEU L:131 , PHE L:146 , HIS L:153 , LEU L:154 , BCL L:312 , BPH L:402 , GLY M:203 , ILE M:206 , ALA M:207 , TYR M:210 , LEU M:214 , U10 M:501 , HOH M:1023BINDING SITE FOR RESIDUE BCL L 314
13BC4SOFTWAREPHE L:181 , ALA L:184 , LEU L:185 , LEU L:189 , LEU M:60 , GLY M:63 , LEU M:64 , VAL M:126 , TRP M:129 , THR M:133 , THR M:146 , ALA M:149 , PHE M:150 , ALA M:153 , THR M:277 , BCL M:311 , BCL M:313 , PEW M:802BINDING SITE FOR RESIDUE BPH M 401
14BC5SOFTWAREPHE L:97 , TRP L:100 , GLU L:104 , ILE L:117 , ALA L:120 , PHE L:121 , PHE L:123 , ALA L:124 , TYR L:148 , GLY L:149 , ILE L:150 , HIS L:153 , LEU L:238 , VAL L:241 , BCL L:312 , BCL L:314 , TYR M:210 , ALA M:213 , LEU M:214 , TRP M:252 , MET M:256BINDING SITE FOR RESIDUE BPH L 402
15BC6SOFTWAREPHE L:29 , GLY L:35 , TRP L:100 , BCL L:314 , HIS M:219 , THR M:222 , ALA M:248 , ALA M:249 , TRP M:252 , MET M:256 , ASN M:259 , ALA M:260 , ILE M:265 , TRP M:268BINDING SITE FOR RESIDUE U10 M 501
16BC7SOFTWARESER L:178 , THR L:182 , HIS L:190 , LEU L:193 , GLU L:212 , ASP L:213 , PHE L:216 , TYR L:222 , SER L:223 , ILE L:224 , GLY L:225 , THR L:226 , ILE L:229BINDING SITE FOR RESIDUE U10 L 502
17BC8SOFTWAREPHE H:23 , GLY H:26 , LEU H:27 , TYR H:30 , LDA H:904 , ASN L:199 , PRO L:200 , HOH L:1384 , GLY M:143 , LYS M:144 , HIS M:145 , TRP M:148 , TRP M:155 , ARG M:267 , ILE M:270 , TRP M:271 , CL M:701BINDING SITE FOR RESIDUE CDL M 800
18BC9SOFTWARETRP H:21 , LEU H:31 , LDA H:901 , LDA H:903 , HOH H:1299 , HOH H:1374 , HOH H:1378 , PRO L:61 , GLN L:62 , BCL L:314 , HOH L:1385 , PHE M:208 , TRP M:268 , MET M:272BINDING SITE FOR RESIDUE PEV H 801
19CC1SOFTWAREVAL L:220 , GLY L:221 , LEU M:26 , ALA M:27 , ARG M:29 , SER M:30 , GLY M:31 , LEU M:47 , BCL M:311 , BCL M:313 , BPH M:401BINDING SITE FOR RESIDUE PEW M 802
20CC2SOFTWARETYR H:40 , PEV H:801 , LDA H:903 , ARG M:253BINDING SITE FOR RESIDUE LDA H 901
21CC3SOFTWARELDA H:903 , HOH H:1147 , MET M:256 , GLY M:257BINDING SITE FOR RESIDUE LDA M 902
22CC4SOFTWARETYR H:18 , TRP H:21 , PEV H:801 , LDA H:901 , LDA H:904 , LDA M:902BINDING SITE FOR RESIDUE LDA H 903
23CC5SOFTWAREALA H:25 , GLY H:26 , TYR H:29 , LDA H:903 , CDL M:800BINDING SITE FOR RESIDUE LDA H 904
24CC6SOFTWAREPHE M:7 , SER M:8BINDING SITE FOR RESIDUE LDA M 907
25CC7SOFTWAREILE M:70 , TRP M:115 , GLY M:161 , ALA M:174 , VAL M:175 , PRO M:176 , GLY M:178 , ILE M:179 , BCL M:311BINDING SITE FOR RESIDUE LDA M 920
26CC8SOFTWARETHR H:63 , PHE H:64 , HOH H:1092 , HOH H:1167 , ALA L:198 , ASN L:199 , PRO L:200 , HOH L:1284 , HOH L:1335 , HOH L:1384BINDING SITE FOR RESIDUE GOL L 707
27CC9SOFTWAREARG H:177 , PHE H:178 , PRO H:192 , GLN H:194 , CYS H:234 , HOH H:1049 , ARG M:228 , GLY M:230 , ARG M:233BINDING SITE FOR RESIDUE GOL H 708

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2HIT)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Gly M:48 -Pro M:49
2Tyr H:40 -Pro H:41
3Val H:75 -Pro H:76

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2HIT)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1REACTION_CENTERPS00244 Photosynthetic reaction center proteins signature.RCEL_RHOSH167-193  1L:166-192
RCEM_RHOSH196-222  1M:195-221

(-) Exons   (0, 0)

(no "Exon" information available for 2HIT)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain H from PDB  Type:PROTEIN  Length:243
 aligned with RCEH_RHOSH | P0C0Y7 from UniProtKB/Swiss-Prot  Length:260

    Alignment length:243
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248   
           RCEH_RHOSH     9 NFDLASLAIYSFWIFLAGLIYYLQTENMREGYPLENEDGTPAANQGPFPLPKPKTFILPHGRGTLTVPGPESEDRPIALARTAVSEGFPHAPTGDPMKDGVGPASWVARRDLPELDGHGHNKIKPMKAAAGFHVSAGKNPIGLPVRGCDLEIAGKVVDIWVDIPEQMARFLEVELKDGSTRLLPMQMVKVQSNRVHVNALSSDLFAGIPTIKSPTEVTLLEEDKICGYVAGGLMYAAPKRKSV 251
               SCOP domains d2hith1 H:9-35             d2hith2 H:36-251 Photosynthetic reaction centre                                                                                                                                                                          SCOP domains
               CATH domains ---2hitH01 H:12-116 Photosynthetic Reaction Center, subunit H, domain 1                                     2hitH02 H:117-249 Photosynthetic Reaction Center, subunit H, domain 2                                                                -- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhh..........................eeee......eeee...........eee........eee..hhhhhhhhhhh.................eee.hhh...eeeee......eeee....eeeeeeeeeee....eeeeeeee.....eeeee.hhheee..eeee...hhhhh............hhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hit H   9 NFDLASLAIYSFWIFLAGLIYYLQTENMREGYPLENEDGTPAANQGPFPLPKPKTFILPHGRGTLTVPGPESEDRPIALARTAVSEGFPHAPTGDPMKDGVGPASWVARRDLPELDGHGHNKIKPMKAAAGFHVSAGKNPIGLPVRGCDLEIAGKVVDIWVDIPEQMARFLEVELKDGSTRLLPMQMVKVQSNRVHVNALSSDLFAGIPTIKSPTEVTLLEEDKICGYVAGGLMYAAPKRKSV 251
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248   

Chain L from PDB  Type:PROTEIN  Length:281
 aligned with RCEL_RHOSH | P0C0Y8 from UniProtKB/Swiss-Prot  Length:282

    Alignment length:281
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281 
           RCEL_RHOSH     2 ALLSFERKYRVPGGTLVGGNLFDFWVGPFYVGFFGVATFFFAALGIILIAWSAVLQGTWNPQLISVYPPALEYGLGGAPLAKGGLWQIITICATGAFVSWALREVEICRKLGIGYHIPFAFAFAILAYLTLVLFRPVMMGAWGYAFPYGIWTHLDWVSNTGYTYGNFHYNPAHMIAISFFFTNALALALHGALVLSAANPEKGKEMRTPDHEDTFFRDLVGYSIGTLGIHRLGLLLSLSAVFFSALCMIITGTIWFDQWVDWWQWWVKLPWWANIPGGING 282
               SCOP domains d2hitl_ L: automated matches                                                                                                                                                                                                                                                              SCOP domains
               CATH domains 2hitL01 L:1-163 Membrane spanning alpha-helix pairs                                                                                                                2hitL02 L:164-263 Membrane spanning alpha-helix pairs                                               ------------------ CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhh..............ee..eehhhhhhhhhhhhhhhhhhhhhhhhhhh............hhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhh....... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------REACTION_CENTER            ----------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hit L   1 ALLSFERKYRVPGGTLVGGNLFDFWVGPFYVGFFGVATFFFAALGIILIAWSAVLQGTWNPQLISVYPPALEYGLGGAPLAKGGLWQIITICATGAFVSWALREVEICRKLGIGYHIPFAFAFAILAYLTLVLFRPVMMGAWGYAFPYGIWTHLDWVSNTGYTYGNFHYNPAHMIAISFFFTNALALALHGALVLSAANPEKGKEMRTPDHEDTFFRDLVGYSIGTLGIHRLGLLLSLSAVFFSALCMIITGTIWFDQWVDWWQWWVKLPWWANIPGGING 281
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280 

Chain M from PDB  Type:PROTEIN  Length:302
 aligned with RCEM_RHOSH | P0C0Y9 from UniProtKB/Swiss-Prot  Length:308

    Alignment length:302
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301  
           RCEM_RHOSH     2 AEYQNIFSQVQVRGPADLGMTEDVNLANRSGVGPFSTLLGWFGNAQLGPIYLGSLGVLSLFSGLMWFFTIGIWFWYQAGWNPAVFLRDLFFFSLEPPAPEYGLSFAAPLKEGGLWLIASFFMFVAVWSWWGRTYLRAQALGMGKHTAWAFLSAIWLWMVLGFIRPILMGSWSEAVPYGIFSHLDWTNNFSLVHGNLFYNPFHGLSIAFLYGSALLFAMHGATILAVSRFGGERELEQIADRGTAAERAALFWRWTMGFNATMEGIHRWAIWMAVLVTLTGGIGILLSGTVVDNWYVWGQNHG 303
               SCOP domains d2hitm_ M: automated matches                                                                                                                                                                                                                                                                                   SCOP domains
               CATH domains 2hitM01 M:1-143 Membrane spanning alpha-helix pairs                                                                                            2hitM02 M:144-302 Membrane spanning alpha-helix pairs                                                                                                           CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .........eeee...........hhhhh......hhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh........hhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhh.hhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------REACTION_CENTER            --------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hit M   1 AEYQNIFSQVQVRGPADLGMTEDVNLANRSGVGPFSTLLGWFGNAQLGPIYLGSLGVLSLFSGLMWFFTIGIWFWYQAGWNPAVFLRDLFFFSLEPPAPEYGLSFAAPLKEGGLWLIASFFMFVAVWSWWGRTYLRAQALGMGKHTAWAFLSAIWLWMVLGFIRPILMGSWSEAVPYGIFSHLDWTNNFSLVHGNLFYNPFHGLSIAFLYGSALLFAMHGATILAVSRFGGERELEQIADRGTAAERAALFWRWTMGFNATMEGIHRWAIWMAVLVTLTGGIGILLSGTVVDNWYVWGQNHG 302
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300  

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (3, 4)

Asymmetric/Biological Unit

(-) CATH Domains  (3, 6)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2HIT)

(-) Gene Ontology  (13, 37)

Asymmetric/Biological Unit(hide GO term definitions)
Chain H   (RCEH_RHOSH | P0C0Y7)
molecular function
    GO:0042314    bacteriochlorophyll binding    Interacting selectively and non-covalently with bacteriochlorophyll, a form of chlorophyll found in photosynthetic bacteria, such as the purple and green bacteria. There are several types, designated a to g. Bacteriochlorophyll a and bacteriochlorophyll b are structurally similar to the chlorophyll a and chlorophyll b found in plants.
    GO:0016168    chlorophyll binding    Interacting selectively and non-covalently with chlorophyll; any compound of magnesium complexed in a porphyrin (tetrapyrrole) ring and which functions as a photosynthetic pigment.
    GO:0045156    electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity    Enables the directed movement of electrons within the cyclic electron transport pathway of photosynthesis.
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.
    GO:0019684    photosynthesis, light reaction    The light reactions of photosynthesis, which take place in photosystems II and I. Light energy is harvested and used to power the transfer of electrons among a series of electron donors and acceptors. The final electron acceptor is NADP+, which is reduced to NADPH. NADPH generated from light reactions is used in sugar synthesis in dark reactions. Light reactions also generate a proton motive force across the thylakoid membrane, and the proton gradient is used to synthesize ATP. There are two chemical reactions involved in the light reactions: water oxidation in photosystem II, and NADP reduction in photosystem I.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030077    plasma membrane light-harvesting complex    A plasma membrane protein-pigment complex that may be closely or peripherally associated to photosynthetic reaction centers that participate in harvesting and transferring radiant energy to the reaction center. Examples of this complex are found in bacterial species.
    GO:0042717    plasma membrane-derived chromatophore membrane    The lipid bilayer associated with a plasma membrane-derived chromatophore; surrounds chromatophores that form complete vesicles.

Chain L   (RCEL_RHOSH | P0C0Y8)
molecular function
    GO:0042314    bacteriochlorophyll binding    Interacting selectively and non-covalently with bacteriochlorophyll, a form of chlorophyll found in photosynthetic bacteria, such as the purple and green bacteria. There are several types, designated a to g. Bacteriochlorophyll a and bacteriochlorophyll b are structurally similar to the chlorophyll a and chlorophyll b found in plants.
    GO:0016168    chlorophyll binding    Interacting selectively and non-covalently with chlorophyll; any compound of magnesium complexed in a porphyrin (tetrapyrrole) ring and which functions as a photosynthetic pigment.
    GO:0045156    electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity    Enables the directed movement of electrons within the cyclic electron transport pathway of photosynthesis.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.
    GO:0019684    photosynthesis, light reaction    The light reactions of photosynthesis, which take place in photosystems II and I. Light energy is harvested and used to power the transfer of electrons among a series of electron donors and acceptors. The final electron acceptor is NADP+, which is reduced to NADPH. NADPH generated from light reactions is used in sugar synthesis in dark reactions. Light reactions also generate a proton motive force across the thylakoid membrane, and the proton gradient is used to synthesize ATP. There are two chemical reactions involved in the light reactions: water oxidation in photosystem II, and NADP reduction in photosystem I.
    GO:0009772    photosynthetic electron transport in photosystem II    A photosynthetic electron transport chain in which electrons move from the primary electron acceptor (Quinone, Q) through a chain of electron transport molecules in the thylakoid membrane until they reach the ultimate electron acceptor of Photosystem II, which is plastocyanin (PC). The electron is then passed to the P700 chlorophyll a molecules of the reaction centre of photosystem I.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030077    plasma membrane light-harvesting complex    A plasma membrane protein-pigment complex that may be closely or peripherally associated to photosynthetic reaction centers that participate in harvesting and transferring radiant energy to the reaction center. Examples of this complex are found in bacterial species.
    GO:0042717    plasma membrane-derived chromatophore membrane    The lipid bilayer associated with a plasma membrane-derived chromatophore; surrounds chromatophores that form complete vesicles.

Chain M   (RCEM_RHOSH | P0C0Y9)
molecular function
    GO:0042314    bacteriochlorophyll binding    Interacting selectively and non-covalently with bacteriochlorophyll, a form of chlorophyll found in photosynthetic bacteria, such as the purple and green bacteria. There are several types, designated a to g. Bacteriochlorophyll a and bacteriochlorophyll b are structurally similar to the chlorophyll a and chlorophyll b found in plants.
    GO:0016168    chlorophyll binding    Interacting selectively and non-covalently with chlorophyll; any compound of magnesium complexed in a porphyrin (tetrapyrrole) ring and which functions as a photosynthetic pigment.
    GO:0045156    electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity    Enables the directed movement of electrons within the cyclic electron transport pathway of photosynthesis.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0015979    photosynthesis    The synthesis by organisms of organic chemical compounds, especially carbohydrates, from carbon dioxide (CO2) using energy obtained from light rather than from the oxidation of chemical compounds.
    GO:0019684    photosynthesis, light reaction    The light reactions of photosynthesis, which take place in photosystems II and I. Light energy is harvested and used to power the transfer of electrons among a series of electron donors and acceptors. The final electron acceptor is NADP+, which is reduced to NADPH. NADPH generated from light reactions is used in sugar synthesis in dark reactions. Light reactions also generate a proton motive force across the thylakoid membrane, and the proton gradient is used to synthesize ATP. There are two chemical reactions involved in the light reactions: water oxidation in photosystem II, and NADP reduction in photosystem I.
    GO:0009772    photosynthetic electron transport in photosystem II    A photosynthetic electron transport chain in which electrons move from the primary electron acceptor (Quinone, Q) through a chain of electron transport molecules in the thylakoid membrane until they reach the ultimate electron acceptor of Photosystem II, which is plastocyanin (PC). The electron is then passed to the P700 chlorophyll a molecules of the reaction centre of photosystem I.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0030077    plasma membrane light-harvesting complex    A plasma membrane protein-pigment complex that may be closely or peripherally associated to photosynthetic reaction centers that participate in harvesting and transferring radiant energy to the reaction center. Examples of this complex are found in bacterial species.
    GO:0042717    plasma membrane-derived chromatophore membrane    The lipid bilayer associated with a plasma membrane-derived chromatophore; surrounds chromatophores that form complete vesicles.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        RCEH_RHOSH | P0C0Y71aig 1aij 1ds8 1dv3 1dv6 1e14 1e6d 1f6n 1fnp 1fnq 1jgw 1jgx 1jgy 1jgz 1jh0 1k6l 1k6n 1kby 1l9b 1l9j 1m3x 1mps 1ogv 1pcr 1pss 1pst 1qov 1rg5 1rgn 1rqk 1rvj 1ry5 1rzh 1rzz 1s00 1umx 1yf6 1yst 1z9j 1z9k 2bnp 2bns 2boz 2gmr 2gnu 2hg3 2hg9 2hh1 2hhk 2hj6 2j8c 2j8d 2jiy 2jj0 2rcr 2uws 2uwt 2uwu 2uwv 2uww 2ux3 2ux4 2ux5 2uxj 2uxk 2uxl 2uxm 2wx5 3dsy 3dta 3dtr 3dts 3du2 3du3 3duq 3i4d 3v3y 3v3z 3zum 3zuw 4h99 4h9l 4hbh 4hbj 4in5 4in6 4in7 4lwy 4n7k 4n7l 4rcr 4tqq 4v9g 5lse 5v33
        RCEL_RHOSH | P0C0Y81aig 1aij 1ds8 1dv3 1dv6 1e14 1e6d 1f6n 1fnp 1fnq 1jgw 1jgx 1jgy 1jgz 1jh0 1k6l 1k6n 1kby 1l9b 1l9j 1m3x 1mps 1ogv 1pcr 1pss 1pst 1qov 1rg5 1rgn 1rqk 1rvj 1ry5 1rzh 1rzz 1s00 1umx 1yf6 1yst 1z9j 1z9k 2bnp 2bns 2boz 2gmr 2gnu 2hg3 2hg9 2hh1 2hhk 2hj6 2j8c 2j8d 2jiy 2jj0 2rcr 2uws 2uwt 2uwu 2uwv 2uww 2ux3 2ux4 2ux5 2uxj 2uxk 2uxl 2uxm 2wx5 3dsy 3dta 3dtr 3dts 3du2 3du3 3duq 3i4d 3v3y 3v3z 3zum 3zuw 4h99 4h9l 4hbh 4hbj 4in5 4in6 4in7 4lwy 4n7k 4n7l 4rcr 4tqq 4v9g 5lse 5v33
        RCEM_RHOSH | P0C0Y91aig 1aij 1ds8 1dv3 1dv6 1e14 1e6d 1f6n 1fnp 1fnq 1jgw 1jgx 1jgy 1jgz 1jh0 1k6l 1k6n 1kby 1l9b 1l9j 1m3x 1mps 1ogv 1pcr 1pss 1pst 1qov 1rg5 1rgn 1rqk 1rvj 1ry5 1rzh 1rzz 1s00 1umx 1yf6 1yst 1z9j 1z9k 2bnp 2bns 2boz 2gmr 2gnu 2hg3 2hg9 2hh1 2hhk 2hj6 2j8c 2j8d 2jiy 2jj0 2rcr 2uws 2uwt 2uwu 2uwv 2uww 2ux3 2ux4 2ux5 2uxj 2uxk 2uxl 2uxm 2wx5 3dsy 3dta 3dtr 3dts 3du2 3du3 3duq 3i4d 3v3y 3v3z 3zum 3zuw 4h99 4h9l 4hbh 4hbj 4in5 4in6 4in7 4lwy 4n7k 4n7l 4rcr 4tqq 4v9g 5lse 5v33

(-) Related Entries Specified in the PDB File

2hg3 THE SAME PROTEIN COMPLEXED WITH DIBROMO-PC, WHICH BINDS IN TWO BINDINGS SITES ON THE HYDROPHOBIC SURFACE OF RC
2hg9 THE SAME PROTEIN COMPLEXED WITH TETRABROMO-PC, WHICH BINDS IN ONE SITE ON THE HYDROPHOBIC SURFACE OF RC
2hh1 THE SAME PROTEIN COMPLEXED WITH DIBROMO-PC, WHICH BINDS IN ONE SITE ON THE HYDROPHOBIC SURFACE OF RC
2hhk THE SAME PROTEIN COMPLEXED WITH DIBROMO-PG, WHICH BINDS IN ONE SITE ON THE HYDROPHOBIC SURFACE OF RC
2hj6