PDB entry 1nek

View 1nek on RCSB PDB site
Description: Complex II (Succinate Dehydrogenase) From E. Coli with ubiquinone bound
Class: oxidoreductase/electron transport
Keywords: membrane protein, oxygen respiratory chain, OXIDOREDUCTASE/ELECTRON TRANSPORT COMPLEX
Deposited on 2002-12-11, released 2003-02-25
The last revision prior to the SCOPe 2.03 freeze date was dated 2009-03-31, with a file datestamp of 2009-03-27.
Experiment type: XRAY
Resolution: 2.6 Å
R-factor: 0.247
AEROSPACI score: 0.24 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Succinate dehydrogenase flavoprotein subunit
    Species: Escherichia coli [TaxId:562]
    Gene: SDHA OR B0723 OR Z0877 OR ECS0748
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.03: d1neka1, d1neka2, d1neka3
  • Chain 'B':
    Compound: Succinate dehydrogenase iron-sulfur protein
    Species: Escherichia coli [TaxId:562]
    Gene: SDHB OR B0724
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.03: d1nekb1, d1nekb2
  • Chain 'C':
    Compound: Succinate dehydrogenase cytochrome b-556 subunit
    Species: Escherichia coli [TaxId:562]
    Gene: SDHC OR CYBA OR B0721 OR Z0875 OR ECS0746
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.03: d1nekc_
  • Chain 'D':
    Compound: Succinate dehydrogenase hydrophobic membrane anchor protein
    Species: Escherichia coli [TaxId:562]
    Gene: SDHD OR B0722
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.03: d1nekd_
  • Heterogens: OAA, CA, FAD, FES, SF4, F3S, HEM, UQ2, CDN, EPH, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1nekA (A:)
mklpvrefdavvigaggagmraalqisqsgqtcallskvfptrshtvsaqggitvalgnt
hednwewhmydtvkgsdyigdqdaieymcktgpeailelehmglpfsrlddgriyqrpfg
gqsknfggeqaartaaaadrtghallhtlyqqnlknhttifsewyaldlvknqdgavvgc
talcietgevvyfkaratvlatggagriyqsttnahintgdgvgmairagvpvqdmemwq
fhptgiagagvlvtegcrgeggyllnkhgerfmeryapnakdlagrdvvarsimieireg
rgcdgpwgphaklkldhlgkevlesrlpgilelsrtfahvdpvkepipviptchymmggi
ptkvtgqaltvnekgedvvvpglfavgeiacvsvhganrlggnslldlvvfgraaglhlq
esiaeqgalrdasesdveasldrlnrwnnnrngedpvairkalqecmqhnfsvfregdam
akgleqlkvirerlknarlddtssefntqrvecleldnlmetayatavsanfrtesrgah
srfdfpdrddenwlchslylpesesmtrrsvnmepklrpafppkirty

  • Chain 'B':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1nekB (B:)
mrlefsiyrynpdvddaprmqdytleadegrdmmlldaliqlkekdpslsfrrscregvc
gsdglnmngknglacitpisalnqpgkkivirplpglpvirdlvvdmgqfyaqyekikpy
llnngqnpparehlqmpeqrekldglyecilcaccstscpsfwwnpdkfigpagllaayr
flidsrdtetdsrldglsdafsvfrchsimncvsvcpkglnptraighiksmllqrna

  • Chain 'C':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >1nekC (C:)
mirnvkkqrpvnldlqtirfpitaiasilhrvsgvitfvavgillwllgtslsspegfeq
asaimgsffvkfimwgiltalayhvvvgirhmmmdfgyleetfeagkrsakisfvitvvl
sllagvlvw

  • Chain 'D':
    Sequence, based on SEQRES records: (download) 
    >1nekD (D:)
mvsnasalgrngvhdfilvrataivltlyiiymvgffatsgeltyevwigffasaftkvf
tllalfsilihawigmwqvltdyvkplalrlmlqlvivvalvvyviygfvvvwgv

    Sequence, based on observed residues (ATOM records): (download) 
    >1nekD (D:)
snasalgrngvhdfilvrataivltlyiiymvgffatsgeltyevwigffasaftkvftl
lalfsilihawigmwqvltdyvkplalrlmlqlvivvalvvyviygfvvvwgv