PDB entry 1nqf

View 1nqf on RCSB PDB site
Description: outer membrane cobalamin transporter (btub) from e. coli, methionine substiution construct for se-met sad phasing
Class: transport protein
Keywords: BETA BARREL, cobalamin, VITAMIN B12, OUTER MEMBRANE TRANSPORT, TRANSPORT PROTEIN
Deposited on 2003-01-21, released 2003-04-29
The last revision prior to the SCOPe 2.07 freeze date was dated 2017-10-11, with a file datestamp of 2017-10-06.
Experiment type: XRAY
Resolution: 2.7 Å
R-factor: N/A
AEROSPACI score: 0.16 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Vitamin B12 receptor
    Species: Escherichia coli [TaxId:562]
    Gene: btuB
    Database cross-references and differences (RAF-indexed):
    • Uniprot P06129 (Start-593)
      • engineered (292)
      • engineered (316)
      • engineered (318)
      • engineered (320)
      • engineered (515)
      • engineered (517)
      • engineered (519)
      • engineered (540)
    Domains in SCOPe 2.07: d1nqfa_
  • Heterogens: MG, C8E, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1nqfA (A:)
qdtspdtlvvtanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggs
gqlssifirgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygs
daiggvvniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthgydv
vaygntgtqaqtdndgflsktlygalehnftdawsgfvrgygydnrtnydayyspgspll
dtrklysqswdaglryngeliksqlitsyshskdynydphygrydssatldemkqytvqw
annvivghgsigagvdmqmqmttpgtgyvedgydqrntgiyltglqqvgdftfegaarsd
dnsqfgrhgtwqtsagwefiegyrfiasygtsykapnlgqlygfygnpnldpekskqweg
afegltagvnwrisgyrndvsdlidyddhtlkyynegkarikgveatanfdtgplthtvs
ydyvdarnaitdtpllrrakqqvkyqldwqlydfdmgmtmqylgtrydkdyssypyqtvk
mggvslwdlavaypvtshltvrgkianlfdkdyetvygyqtagreytlsgsytf

    Sequence, based on observed residues (ATOM records): (download) 
    >1nqfA (A:)
tlvvtanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggsgqlssi
firgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaiggv
vniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthgflsktlyga
lehnftdawsgfvrgygydnrtndtrklysqswdaglryngeliksqlitsyshskdyny
atldemkqytvqwannvivghgsigagvdmqmqmttpgtgdgydqrntgiyltglqqvgd
ftfegaarsddnsqfgrhgtwqtsagwefiegyrfiasygtsykapnlgqlygfygnpnl
dpekskqwegafegltagvnwrisgyrndvsdlidyddhtlkyynegkarikgveatanf
dtgplthtvsydyvdarnaitdtpllrrakqqvkyqldwqlydfdmgmtmqylgtrydkd
yssypyqtvkmggvslwdlavaypvtshltvrgkianlfdkdyetvygyqtagreytlsg
sytf