SCOPe 2.07: Domain d3m8ba_: 3m8b A:

Lineage for d3m8ba_ (3m8b A:)

1. Root: SCOPe 2.07

2. Class f: Membrane and cell surface proteins and peptides [56835] (60 folds)

3. Fold f.4: Transmembrane beta-barrels [56924] (7 superfamilies)
   not a true fold, gathers together transmembrane barrels of different (n,S)

4. Superfamily f.4.3: Porins [56935] (5 families)

5. Family 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. Protein Outer membrane cobalamin transporter BtuB [90129] (1 species)
   vitamin B12 receptor

7. Species Escherichia coli [TaxId:562] [90130] (12 PDB entries)

8. Domain d3m8ba_: 3m8b A: [180957]
   automated match to d1ujwa_
   complexed with c8e, mg, mtn

Details for d3m8ba_

PDB Entry: 3m8b, 2.44 Å

PDB Description: crystal structure of spin-labeled btub v10r1 in the apo state

PDB Compounds: (A:) Vitamin B12 transporter btuB

SCOPe Domain Sequences for d3m8ba_:

Sequence, based on SEQRES records:

>d3m8ba_ f.4.3.3 (A:) Outer membrane cobalamin transporter BtuB {Escherichia coli [TaxId: 562]}
dtlvctanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggsgqlss
ifirgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaigg
vvniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthgydvvaygn
tgtqaqtdndgflsktlygalehnftdawsgfvrgygydnrtnydayyspgsplldtrkl
ysqswdaglryngeliksqlitsyshskdynydphygrydssatldemkqytvqwannvi
vghgsigagvdwqkqtttpgtgyvedgydqrntgiyltglqqvgdftfegaarsddnsqf
grhgtwqtsagwefiegyrfiasygtsykapnlgqlygfygnpnldpekskqwegafegl
tagvnwrisgyrndvsdlidyddhtlkyynegkarikgveatanfdtgplthtvsydyvd
arnaitdtpllrrakqqvkyqldwqlydfdwgityqylgtrydkdyssypyqtvkmggvs
lwdlavaypvtshltvrgkianlfdkdyetvygyqtagreytlsgsytf

Sequence, based on observed residues (ATOM records):

>d3m8ba_ f.4.3.3 (A:) Outer membrane cobalamin transporter BtuB {Escherichia coli [TaxId: 562]}
dtlvctanrfeqprstvlapttvvtrqdidrwqstsvndvlrrlpgvditqnggsgqlss
ifirgtnashvlvlidgvrlnlagvsgsadlsqfpialvqrveyirgprsavygsdaigg
vvniittrdepgteisagwgsnsyqnydvstqqqlgdktrvtllgdyahthggflsktly
galehnftdawsgfvrgygydnrtndtrklysqswdaglryngeliksqlitsyshskdy
nyatldemkqytvqwannvivghgsigagvdwqkqtttpgtgyvedgydqrntgiyltgl
qqvgdftfegaarsddnsqfgrhgtwqtsagwefiegyrfiasygtsykapnlgqlygfy
gnpnldpekskqwegafegltagvnwrisgyrndvsdlidyddhtlkyynegkarikgve
atanfdtgplthtvsydyvdarnaitdtpllrrakqqvkyqldwqlydfdwgityqylgt
rydkdyssypyqtvkmggvslwdlavaypvtshltvrgkianlfdkdyetvygyqtagre
ytlsgsytf

Timeline for d3m8ba_:

• d3m8ba_ first appeared in SCOPe 2.01
  
• d3m8ba_ appears in SCOPe 2.06
  
• d3m8ba_ appears in the current release, SCOPe 2.08