Lineage for d1nqha_ (1nqh A:)

  1. Root: SCOPe 2.08
  2. 3021034Class f: Membrane and cell surface proteins and peptides [56835] (69 folds)
  3. 3021955Fold f.4: Transmembrane beta-barrels [56924] (7 superfamilies)
    not a true fold, gathers together transmembrane barrels of different (n,S)
    annotated by the SCOP(e) curators as 'not a true fold'
  4. 3022096Superfamily f.4.3: Porins [56935] (5 families) (S)
  5. 3022290Family f.4.3.3: Ligand-gated protein channel [56948] (5 proteins)
    monomeric (22,24) barrel; ~150 N-terminal residues form a "plug" or "cork" subdomain
  6. 3022307Protein Outer membrane cobalamin transporter BtuB [90129] (1 species)
    vitamin B12 receptor
  7. 3022308Species Escherichia coli [TaxId:562] [90130] (12 PDB entries)
  8. 3022317Domain d1nqha_: 1nqh A: [86030]
    complexed with c8e, ca, cnc

Details for d1nqha_

PDB Entry: 1nqh (more details), 3.1 Å

PDB Description: outer membrane cobalamin transporter (btub) from e. coli, with bound calcium and cyanocobalamin (vitamin b12) substrate
PDB Compounds: (A:) Vitamin B12 receptor

SCOPe Domain Sequences for d1nqha_:

Sequence, based on SEQRES records: (download)

>d1nqha_ f.4.3.3 (A:) Outer membrane cobalamin transporter BtuB {Escherichia coli [TaxId: 562]}
dtlvvtanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggsgqlss
ifirgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaigg
vvniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthgydvvaygn
tgtqaqtdndgflsktlygalehnftdawsgfvrgygydnrtnydayyspgsplldtrkl
ysqswdaglryngeliksqlitsyshskdynydphygrydssatldemkqytvqwannvi
vghgsigagvdwqkqtttpgtgyvedgydqrntgiyltglqqvgdftfegaarsddnsqf
grhgtwqtsagwefiegyrfiasygtsykapnlgqlygfygnpnldpekskqwegafegl
tagvnwrisgyrndvsdlidyddhtlkyynegkarikgveatanfdtgplthtvsydyvd
arnaitdtpllrrakqqvkyqldwqlydfdwgityqylgtrydkdyssypyqtvkmggvs
lwdlavaypvtshltvrgkianlfdkdyetvygyqtagreytlsgsytf

Sequence, based on observed residues (ATOM records): (download)

>d1nqha_ f.4.3.3 (A:) Outer membrane cobalamin transporter BtuB {Escherichia coli [TaxId: 562]}
dtlvvtanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggsgqlss
ifirgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaigg
vvniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthgydvvaygn
tgtqaqtdndgflsktlygalehnftdawsgfvrgygydnrtnydayyspgsplldtrkl
ysqswdaglryngeliksqlitsyshskdynydphygrydssatldemkqytvqwannvi
vghgsigagvdwqkqtttpedgydqrntgiyltglqqvgdftfegaarsddnsqfgrhgt
wqtsagwefiegyrfiasygtsykapnlgqlygfygnpnldpekskqwegafegltagvn
wrisgyrndvsdlidyddhtlkyynegkarikgveatanfdtgplthtvsydyvdarnai
tdtpllrrakqqvkyqldwqlydfdwgityqylgtrydkdyssypyqtvkmggvslwdla
vaypvtshltvrgkianlfdkdyetvygyqtagreytlsgsytf

SCOPe Domain Coordinates for d1nqha_:

Click to download the PDB-style file with coordinates for d1nqha_.
(The format of our PDB-style files is described here.)

Timeline for d1nqha_: