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(-) Description

Title :  CRYSTAL STRUCTURE OF PORCINE HEART MITOCHONDRIAL COMPLEX II BOUND WITH N-(3-PENTAFLUOROPHENYLOXY-PHENYL)-2-TRIFLUOROMETHYL-BENZAMIDE
 
Authors :  S. Harada, T. Sasaki, M. Shindo, Y. Kido, D. K. Inaoka, J. Omori, A. Osana K. Sakamoto, J. Mao, S. Matsuoka, M. Inoue, T. Honma, A. Tanaka, K. Kita
Date :  04 Feb 10  (Deposition) - 09 Feb 11  (Release) - 05 Aug 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.31
Chains :  Asym./Biol. Unit :  A,B,C,D
Keywords :  Respiratory Complex Ii, Inhibitors, Electron Transport, Iron, Iron- Sulfur, Metal-Binding, Mitochondrion, Mitochondrion Inner Membrane, Oxidoreductase, Transit Peptide, Transport, Tricarboxylic Acid Cycle, Heme, Transmembrane, Fad-Binding Protein, Oxidoreductase- Oxidoreductase Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  D. K. Inaoka, T. Shiba, D. Sato, E. O. Balogun, T. Sasaki, M. Nagahama, M. Oda, S. Matsuoka, J. Ohmori, T. Honma, M. Inoue, K. Kita, S. Harada
Structural Insights Into The Molecular Design Of Flutolanil Derivatives Targeted For Fumarate Respiration Of Parasite Mitochondria
Int J Mol Sci V. 16 15287 2015
PubMed-ID: 26198225  |  Reference-DOI: 10.3390/IJMS160715287

(-) Compounds

Molecule 1 - SUCCINATE DEHYDROGENASE [UBIQUINONE] FLAVOPROTEIN SUBUNIT, MITOCHONDRIAL
    ChainsA
    EC Number1.3.5.1
    OrganHEART
    Organism CommonPIG
    Organism ScientificSUS SCROFA
    Organism Taxid9823
    SynonymFLAVOPROTEIN SUBUNIT OF COMPLEX II, FP
    TissueMUSCLE
 
Molecule 2 - SUCCINATE DEHYDROGENASE [UBIQUINONE] IRON-SULFUR SUBUNIT, MITOCHONDRIAL
    ChainsB
    EC Number1.3.5.1
    OrganHEART
    Organism CommonPIG
    Organism ScientificSUS SCROFA
    Organism Taxid9823
    SynonymIRON-SULFUR SUBUNIT OF COMPLEX II, IP
    TissueMUSCLE
 
Molecule 3 - SUCCINATE DEHYDROGENASE CYTOCHROME B560 SUBUNIT, MITOCHONDRIAL
    ChainsC
    OrganHEART
    Organism CommonPIG
    Organism ScientificSUS SCROFA
    Organism Taxid9823
    SynonymSUCCINATE-UBIQUINONE OXIDOREDUCTASE CYTOCHROME B LARGE SUBUNIT, CYBL
    TissueMUSCLE
 
Molecule 4 - SUCCINATE DEHYDROGENASE [UBIQUINONE] CYTOCHROME B SMALL SUBUNIT, MITOCHONDRIAL
    ChainsD
    FragmentRESIDUES 57-159
    OrganHEART
    Organism CommonPIG
    Organism ScientificSUS SCROFA
    Organism Taxid9823
    SynonymSUCCINATE-UBIQUINONE OXIDOREDUCTASE CYTOCHROME B SMALL SUBUNIT, CYBS, SUCCINATE-UBIQUINONE REDUCTASE MEMBRANE ANCHOR SUBUNIT, QPS3, CII-4, SUCCINATE DEHYDROGENASE COMPLEX SUBUNIT D
    TissueMUSCLE

 Structural Features

(-) Chains, Units

  1234
Asymmetric/Biological Unit ABCD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (8, 8)

Asymmetric/Biological Unit (8, 8)
No.NameCountTypeFull Name
1EPH1Ligand/IonL-ALPHA-PHOSPHATIDYL-BETA-OLEOYL-GAMMA-PALMITOYL-PHOSPHATIDYLETHANOLAMINE
2F3S1Ligand/IonFE3-S4 CLUSTER
3FAD1Ligand/IonFLAVIN-ADENINE DINUCLEOTIDE
4FD81Ligand/IonN-[3-(PENTAFLUOROPHENOXY)PHENYL]-2-(TRIFLUOROMETHYL)BENZAMIDE
5FES1Ligand/IonFE2/S2 (INORGANIC) CLUSTER
6HEM1Ligand/IonPROTOPORPHYRIN IX CONTAINING FE
7MLI1Ligand/IonMALONATE ION
8SF41Ligand/IonIRON/SULFUR CLUSTER

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:26 , GLY A:28 , GLY A:29 , ALA A:30 , THR A:49 , LYS A:50 , LEU A:51 , SER A:56 , HIS A:57 , THR A:58 , ALA A:60 , ALA A:61 , GLN A:62 , GLY A:63 , GLY A:64 , PHE A:178 , ALA A:179 , THR A:214 , GLY A:215 , ASP A:233 , HIS A:365 , TYR A:366 , GLY A:397 , GLU A:398 , ARG A:409 , ALA A:412 , ASN A:413 , SER A:414 , LEU A:415 , LEU A:418 , MLI A:701BINDING SITE FOR RESIDUE FAD A 700
2AC2SOFTWARESER B:64 , CYS B:65 , ARG B:66 , GLY B:68 , CYS B:70 , GLY B:71 , CYS B:73 , CYS B:85BINDING SITE FOR RESIDUE FES B 302
3AC3SOFTWARECYS B:158 , ILE B:159 , LEU B:160 , CYS B:161 , ALA B:162 , CYS B:164 , CYS B:225 , PRO B:226BINDING SITE FOR RESIDUE SF4 B 303
4AC4SOFTWARECYS B:168 , TYR B:178 , PRO B:181 , CYS B:215 , HIS B:216 , ILE B:218 , MET B:219 , ASN B:220 , CYS B:221BINDING SITE FOR RESIDUE F3S B 304
5AC5SOFTWAREGLY A:63 , PHE A:131 , HIS A:254 , LEU A:264 , THR A:266 , GLU A:267 , ARG A:298 , HIS A:365 , FAD A:700BINDING SITE FOR RESIDUE MLI A 701
6AC6SOFTWAREHIS B:216 , HIS C:45 , ARG C:46 , GLY C:49 , LEU C:52 , SER C:53 , HIS C:101 , HIS C:108 , ARG D:47 , SER D:50 , LEU D:53 , LEU D:54 , LEU D:57 , HIS D:79 , GLY D:83BINDING SITE FOR RESIDUE HEM C 1305
7AC7SOFTWAREPRO B:169 , SER B:170 , TRP B:173 , HIS B:216 , ILE C:30 , SER C:42 , ILE C:43 , ARG C:46 , TYR D:91BINDING SITE FOR RESIDUE FD8 C 1201
8AC8SOFTWAREMET C:143 , TYR D:61 , CYS D:127 , TRP D:134BINDING SITE FOR RESIDUE EPH D 1306

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3AE9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3AE9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3AE9)

(-) PROSITE Motifs  (7, 7)

Asymmetric/Biological Unit (7, 7)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
12FE2S_FER_2PS51085 2Fe-2S ferredoxin-type iron-sulfur binding domain profile.SDHB_PIG40-131  1B:12-103
2SDH_CYT_1PS01000 Succinate dehydrogenase cytochrome b subunit signature 1.C560_PIG50-74  1C:24-48
32FE2S_FER_1PS00197 2Fe-2S ferredoxin-type iron-sulfur binding region signature.SDHB_PIG93-101  1B:65-73
4FRD_SDH_FAD_BINDINGPS00504 Fumarate reductase / succinate dehydrogenase FAD-binding site.SDHA_PIG97-106  1A:55-64
5SDH_CYT_2PS01001 Succinate dehydrogenase cytochrome b subunit signature 2.C560_PIG127-140  1C:101-114
64FE4S_FER_2PS51379 4Fe-4S ferredoxin-type iron-sulfur binding domain profile.SDHB_PIG176-206  1B:148-178
74FE4S_FER_1PS00198 4Fe-4S ferredoxin-type iron-sulfur binding region signature.SDHB_PIG186-197  1B:158-169

(-) Exons   (0, 0)

(no "Exon" information available for 3AE9)

(-) 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 A from PDB  Type:PROTEIN  Length:613
 aligned with SDHA_PIG | Q0QF01 from UniProtKB/Swiss-Prot  Length:664

    Alignment length:613
                                    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       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451       461       471       481       491       501       511       521       531       541       551       561       571       581       591       601       611       621       631       641       651       661   
             SDHA_PIG    52 STQYPVVDHEFDAVVVGAGGAGLRAAFGLSEAGFNTACVTKLFPTRSHTVAAQGGINAALGNMEEDNWRWHFYDTVKGSDWLGDQDAIHYMTEQAPASVVELENYGMPFSRTEDGKIYQRAFGGQSLKFGKGGQAHRCCCVADRTGHSLLHTLYGRSLRYDTSYFVEYFALDLLMENGECRGVIALCIEDGSIHRIRARNTVVATGGYGRTYFSCTSAHTSTGDGTAMVTRAGLPCQDLEFVQFHPTGIYGAGCLITEGCRGEGGILINSQGERFMERYAPVAKDLASRDVVSRSMTLEIREGRGCGPEKDHVYLQLHHLPPEQLAVRLPGISETAMIFAGVDVTKEPIPVLPTVHYNMGGIPTNYKGQVLRHVNGQDQVVPGLYACGEAACASVHGANRLGANSLLDLVVFGRACALSIAESCRPGDKVPSIKPNAGEESVMNLDKLRFANGTIRTSELRLSMQKSMQSHAAVFRVGSVLQEGCEKILRLYGDLQHLKTFDRGMVWNTDLVETLELQNLMLCALQTIYGAEARKESRGAHAREDFKERVDEYDYSKPIQGQQKKPFQEHWRKHTLSYVDVKTGKVSLEYRPVIDKTLNEADCATVPPAIRSY 664
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeeeeee..hhhhhhhhhhhhhhh..eeeee......hhhhhh...ee.........hhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhh..............eeeeee.......eee.ee....hhhhhhhhhhhhhhh....eeee.eeeeeeee....eeeeeeee.....eeeeeeeeeee....hhhhh...........hhhhhhhh....ee....eeeeeeee........hhhhhhh.eee......hhhhhh.......hhhhhhhhhhhhhhhh.........eeee....hhhhhhhh.hhhhhhhhhh.........eeeeeeeeee...ee.....eeeeee..eeeeeeeeee....ee...........hhhhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhh....eehhhhhhhhhhhhhhhh..eehhhhhhhhhhhhhhhhhh...ee........hhhhhhhhhhhhhhhhhhhhhhhhhhh.......ee.............................eeeeeeee....eeeeeeee..................... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ---------------------------------------------FRD_SDH_FA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ae9 A  10 STQYPVVDHEFDAVVVGAGGAGLRAAFGLSEAGFNTACVTKLFPTRSHTVAAQGGINAALGNMEEDNWRWHFYDTVKGSDWLGDQDAIHYMTEQAPASVVELENYGMPFSRTEDGKIYQRAFGGQSLKFGKGGQAHRCCCVADRTGHSLLHTLYGRSLRYDTSYFVEYFALDLLMENGECRGVIALCIEDGSIHRIRARNTVVATGGYGRTYFSCTSAHTSTGDGTAMVTRAGLPCQDLEFVQFHPTGIYGAGCLITEGCRGEGGILINSQGERFMERYAPVAKDLASRDVVSRSMTLEIREGRGCGPEKDHVYLQLHHLPPEQLAVRLPGISETAMIFAGVDVTKEPIPVLPTVHYNMGGIPTNYKGQVLRHVNGQDQVVPGLYACGEAACASVHGANRLGANSLLDLVVFGRACALSIAESCRPGDKVPSIKPNAGEESVMNLDKLRFANGTIRTSELRLSMQKSMQSHAAVFRVGSVLQEGCEKILRLYGDLQHLKTFDRGMVWNTDLVETLELQNLMLCALQTIYGAEARKESRGAHAREDFKERVDEYDYSKPIQGQQKKPFQEHWRKHTLSYVDVKTGKVSLEYRPVIDKTLNEADCATVPPAIRSY 622
                                    19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459       469       479       489       499       509       519       529       539       549       559       569       579       589       599       609       619   

Chain B from PDB  Type:PROTEIN  Length:239
 aligned with SDHB_PIG | Q007T0 from UniProtKB/Swiss-Prot  Length:280

    Alignment length:239
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266         
             SDHB_PIG    37 PRIKKFAIYRWDPDKTGDKPHMQTYEIDLNNCGPMVLDALIKIKNEIDSTLTFRRSCREGICGSCAMNINGGNTLACTRRIDTNLDKVSKIYPLPHMYVIKDLVPDLSNFYAQYKSIEPYLKKKDESQEGKQQYLQSIEEREKLDGLYECILCACCSTSCPSYWWNGDKYLGPAVLMQAYRWMIDSRDDFTEERLAKLQDPFSLYRCHTIMNCTGTCPKGLNPGKAIAEIKKMMATYKE 275
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee..........eeeeeeee......hhhhhhhhhhhh...................eeee..eeee............eeeee......eee..ee.hhhhhhhhhh....................hhhhhhhhh..........hhhhhhhhhhh.....hhhhhhhhhhhhh.....hhhhhhhh.............hhhhhhh....hhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---2FE2S_FER_2  PDB: B:12-103 UniProt: 40-131                                                  --------------------------------------------4FE4S_FER_2  PDB: B:148-178    --------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) --------------------------------------------------------2FE2S_FER------------------------------------------------------------------------------------4FE4S_FER_1 ------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ae9 B   9 PRIKKFAIYRWDPDKTGDKPHMQTYEIDLNNCGPMVLDALIKIKNEIDSTLTFRRSCREGICGSCAMNINGGNTLACTRRIDTNLDKVSKIYPLPHMYVIKDLVPDLSNFYAQYKSIEPYLKKKDESQEGKQQYLQSIEEREKLDGLYECILCACCSTSCPSYWWNGDKYLGPAVLMQAYRWMIDSRDDFTEERLAKLQDPFSLYRCHTIMNCTGTCPKGLNPGKAIAEIKKMMATYKE 247
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238         

Chain C from PDB  Type:PROTEIN  Length:138
 aligned with C560_PIG | D0VWV4 from UniProtKB/Swiss-Prot  Length:169

    Alignment length:138
                                    41        51        61        71        81        91       101       111       121       131       141       151       161        
             C560_PIG    32 TTAKEEMERFWNKNLGSNRPLSPHITIYRWSLPMAMSICHRGTGIALSAGVSLFGLSALLLPGNFESHLELVKSLCLGPTLIYTAKFGIVFPLMYHTWNGIRHLIWDLGKGLTIPQLTQSGVVVLILTVLSSVGLAAM 169
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhh...............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (2) ------------------SDH_CYT_1  PDB: C:24-48  ----------------------------------------------------SDH_CYT_2     ----------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3ae9 C   6 TTAKEEMERFWNKNLGSNRPLSPHITIYRWSLPMAMSICHRGTGIALSAGVSLFGLSALLLPGNFESHLELVKSLCLGPTLIYTAKFGIVFPLMYHTWNGIRHLIWDLGKGLTIPQLTQSGVVVLILTVLSSVGLAAM 143
                                    15        25        35        45        55        65        75        85        95       105       115       125       135        

Chain D from PDB  Type:PROTEIN  Length:102
 aligned with DHSD_PIG | A5GZW8 from UniProtKB/Swiss-Prot  Length:159

    Alignment length:102
                                    67        77        87        97       107       117       127       137       147       157  
             DHSD_PIG    58 SSKAASLHWTGERVVSVLLLGLLPAAYLNPCSAMDYSLAAALTLHGHWGIGQVVTDYVRGDALQKVAKAGLLALSAFTFAGLCYFNYHDVGICKAVAMLWKL 159
               SCOP domains ------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------ Transcript
                 3ae9 D  35 SSKAASLHWTGERVVSVLLLGLLPAAYLNPCSAMDYSLAAALTLHGHWGIGQVVTDYVRGDALQKAAKAGLLALSAFTFAGLCYFNYHDVGICKAVAMLWKL 136
                                    44        54        64        74        84        94       104       114       124       134  

   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  (0, 0)

(no "SCOP Domain" information available for 3AE9)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3AE9)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3AE9)

(-) Gene Ontology  (26, 57)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (SDHA_PIG | Q0QF01)
molecular function
    GO:0050660    flavin adenine dinucleotide binding    Interacting selectively and non-covalently with FAD, flavin-adenine dinucleotide, the coenzyme or the prosthetic group of various flavoprotein oxidoreductase enzymes, in either the oxidized form, FAD, or the reduced form, FADH2.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0016627    oxidoreductase activity, acting on the CH-CH group of donors    Catalysis of an oxidation-reduction (redox) reaction in which a CH-CH group acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0008177    succinate dehydrogenase (ubiquinone) activity    Catalysis of the reaction: succinate + ubiquinone = fumarate + ubiquinol.
biological process
    GO:0022900    electron transport chain    A process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    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:0022904    respiratory electron transport chain    A process in which a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0006099    tricarboxylic acid cycle    A nearly universal metabolic pathway in which the acetyl group of acetyl coenzyme A is effectively oxidized to two CO2 and four pairs of electrons are transferred to coenzymes. The acetyl group combines with oxaloacetate to form citrate, which undergoes successive transformations to isocitrate, 2-oxoglutarate, succinyl-CoA, succinate, fumarate, malate, and oxaloacetate again, thus completing the cycle. In eukaryotes the tricarboxylic acid is confined to the mitochondria. See also glyoxylate cycle.
cellular component
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005743    mitochondrial inner membrane    The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
    GO:0005749    mitochondrial respiratory chain complex II, succinate dehydrogenase complex (ubiquinone)    A protein complex located in the mitochondrial inner membrane that forms part of the mitochondrial respiratory chain. Contains the four polypeptide subunits of succinate dehydrogenase, flavin-adenine dinucleotide and iron-sulfur. Catalyzes the oxidation of succinate by ubiquinone. Connects the TCA cycle with the respiratory chain.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

Chain B   (SDHB_PIG | Q007T0)
molecular function
    GO:0051537    2 iron, 2 sulfur cluster binding    Interacting selectively and non-covalently with a 2 iron, 2 sulfur (2Fe-2S) cluster; this cluster consists of two iron atoms, with two inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0051538    3 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 3 iron, 4 sulfur (3Fe-4S) cluster; this cluster consists of three iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands. It is essentially a 4Fe-4S cluster with one iron missing.
    GO:0051539    4 iron, 4 sulfur cluster binding    Interacting selectively and non-covalently with a 4 iron, 4 sulfur (4Fe-4S) cluster; this cluster consists of four iron atoms, with the inorganic sulfur atoms found between the irons and acting as bridging ligands.
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0051536    iron-sulfur cluster binding    Interacting selectively and non-covalently with an iron-sulfur cluster, a combination of iron and sulfur atoms.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0008177    succinate dehydrogenase (ubiquinone) activity    Catalysis of the reaction: succinate + ubiquinone = fumarate + ubiquinol.
    GO:0048039    ubiquinone binding    Interacting selectively and non-covalently with ubiquinone, a quinone derivative with a tail of isoprene units.
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:0006099    tricarboxylic acid cycle    A nearly universal metabolic pathway in which the acetyl group of acetyl coenzyme A is effectively oxidized to two CO2 and four pairs of electrons are transferred to coenzymes. The acetyl group combines with oxaloacetate to form citrate, which undergoes successive transformations to isocitrate, 2-oxoglutarate, succinyl-CoA, succinate, fumarate, malate, and oxaloacetate again, thus completing the cycle. In eukaryotes the tricarboxylic acid is confined to the mitochondria. See also glyoxylate cycle.
cellular component
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005743    mitochondrial inner membrane    The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
    GO:0005749    mitochondrial respiratory chain complex II, succinate dehydrogenase complex (ubiquinone)    A protein complex located in the mitochondrial inner membrane that forms part of the mitochondrial respiratory chain. Contains the four polypeptide subunits of succinate dehydrogenase, flavin-adenine dinucleotide and iron-sulfur. Catalyzes the oxidation of succinate by ubiquinone. Connects the TCA cycle with the respiratory chain.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

Chain C   (C560_PIG | D0VWV4)
molecular function
    GO:0009055    electron carrier activity    Any molecular entity that serves as an electron acceptor and electron donor in an electron transport chain. An electron transport chain is a process in which a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016627    oxidoreductase activity, acting on the CH-CH group of donors    Catalysis of an oxidation-reduction (redox) reaction in which a CH-CH group acts as a hydrogen or electron donor and reduces a hydrogen or electron acceptor.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0000104    succinate dehydrogenase activity    Catalysis of the reaction: succinate + acceptor = fumarate + reduced acceptor.
biological process
    GO:0006121    mitochondrial electron transport, succinate to ubiquinone    The transfer of electrons from succinate to ubiquinone that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex II.
    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:0006099    tricarboxylic acid cycle    A nearly universal metabolic pathway in which the acetyl group of acetyl coenzyme A is effectively oxidized to two CO2 and four pairs of electrons are transferred to coenzymes. The acetyl group combines with oxaloacetate to form citrate, which undergoes successive transformations to isocitrate, 2-oxoglutarate, succinyl-CoA, succinate, fumarate, malate, and oxaloacetate again, thus completing the cycle. In eukaryotes the tricarboxylic acid is confined to the mitochondria. See also glyoxylate cycle.
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:0005743    mitochondrial inner membrane    The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
    GO:0005749    mitochondrial respiratory chain complex II, succinate dehydrogenase complex (ubiquinone)    A protein complex located in the mitochondrial inner membrane that forms part of the mitochondrial respiratory chain. Contains the four polypeptide subunits of succinate dehydrogenase, flavin-adenine dinucleotide and iron-sulfur. Catalyzes the oxidation of succinate by ubiquinone. Connects the TCA cycle with the respiratory chain.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
    GO:0045281    succinate dehydrogenase complex    A multimeric complex which consists of flavoprotein (subunit A ; InterPro:IPR003952), iron-sulfur protein (subunit B) and membrane-bound cytochrome b560 (subunit C; InterPro:IPR000701). In some Archaea, the membrane-bound subunits (C or C and D) do not necessarily contain heme. Membrane-bound subunits can bind or react with quinones.

Chain D   (DHSD_PIG | A5GZW8)
molecular function
    GO:0020037    heme binding    Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0000104    succinate dehydrogenase activity    Catalysis of the reaction: succinate + acceptor = fumarate + reduced acceptor.
    GO:0048039    ubiquinone binding    Interacting selectively and non-covalently with ubiquinone, a quinone derivative with a tail of isoprene units.
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:0006099    tricarboxylic acid cycle    A nearly universal metabolic pathway in which the acetyl group of acetyl coenzyme A is effectively oxidized to two CO2 and four pairs of electrons are transferred to coenzymes. The acetyl group combines with oxaloacetate to form citrate, which undergoes successive transformations to isocitrate, 2-oxoglutarate, succinyl-CoA, succinate, fumarate, malate, and oxaloacetate again, thus completing the cycle. In eukaryotes the tricarboxylic acid is confined to the mitochondria. See also glyoxylate cycle.
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:0005740    mitochondrial envelope    The double lipid bilayer enclosing the mitochondrion and separating its contents from the cell cytoplasm; includes the intermembrane space.
    GO:0005743    mitochondrial inner membrane    The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
    GO:0005749    mitochondrial respiratory chain complex II, succinate dehydrogenase complex (ubiquinone)    A protein complex located in the mitochondrial inner membrane that forms part of the mitochondrial respiratory chain. Contains the four polypeptide subunits of succinate dehydrogenase, flavin-adenine dinucleotide and iron-sulfur. Catalyzes the oxidation of succinate by ubiquinone. Connects the TCA cycle with the respiratory chain.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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 Related Entries

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

UniProtKB/Swiss-Prot
        C560_PIG | D0VWV41zoy 1zp0 3abv 3ae1 3ae2 3ae3 3ae4 3ae5 3ae6 3ae7 3ae8 3aea 3aeb 3aec 3aed 3aee 3aef 3aeg 3sfd 3sfe 4ytp 4yxd
        DHSD_PIG | A5GZW81zoy 1zp0 3abv 3ae1 3ae2 3ae3 3ae4 3ae5 3ae6 3ae7 3ae8 3aea 3aeb 3aec 3aed 3aee 3aef 3aeg 3sfd 3sfe 4ytp 4yxd
        SDHA_PIG | Q0QF011zoy 1zp0 3abv 3ae1 3ae2 3ae3 3ae4 3ae5 3ae6 3ae7 3ae8 3aea 3aeb 3aec 3aed 3aee 3aef 3aeg 3sfd 3sfe 4ytp 4yxd
        SDHB_PIG | Q007T01zoy 1zp0 3abv 3ae1 3ae2 3ae3 3ae4 3ae5 3ae6 3ae7 3ae8 3aea 3aeb 3aec 3aed 3aee 3aef 3aeg 3sfd 3sfe 4ytp 4yxd

(-) Related Entries Specified in the PDB File

3abv THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae1 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae2 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae3 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae4 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae5 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae6 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae7 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3ae8 THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3aea THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3aeb THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3aec THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3aed THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3aee THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR
3aef THE SAME PROTEIN COMPLEX WITH AN EMPTY QUINONE-BINDING POCKET
3aeg THE SAME PROTEIN COMPLEX BOUND WITH ANOTHER INHIBITOR