PDB entry 1n4d

View 1n4d on RCSB PDB site
Description: The Ligand-Free Structure of E coli BtuF, the Periplasmic Binding Protein for Vitamin B12
Class: transport protein
Keywords: ABC transporter, Vitamin B12, periplasmic binding protein, transmembrane transport, TRANSPORT PROTEIN
Deposited on 2002-10-30, released 2003-03-11
The last revision prior to the SCOPe 2.05 freeze date was dated 2009-02-24, with a file datestamp of 2009-02-03.
Experiment type: XRAY
Resolution: 3 Å
R-factor: 0.242
AEROSPACI score: 0.19 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: Vitamin B12 transport protein btuF
    Species: Escherichia coli [TaxId:562]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P37028
      • modified residue (46)
      • modified residue (82)
    Domains in SCOPe 2.05: d1n4da_
  • Chain 'B':
    Compound: Vitamin B12 transport protein btuF
    Species: Escherichia coli [TaxId:562]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P37028 (0-243)
      • modified residue (46)
      • modified residue (82)
    Domains in SCOPe 2.05: d1n4db_

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1n4dA (A:)
aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv
iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq
yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre
qvlarspqaivitggpdqipkikqywgeqlkipvipltsdwferaspriilaaqqlcnal
sqvdlehhhhhh

    Sequence, based on observed residues (ATOM records): (download) 
    >1n4dA (A:)
aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv
iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq
yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre
qvlarspqaivitggpdqipkikqywgeqlkipvipltsdwferaspriilaaqqlcnal
sqvd

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >1n4dB (B:)
aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv
iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq
yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre
qvlarspqaivitggpdqipkikqywgeqlkipvipltsdwferaspriilaaqqlcnal
sqvdlehhhhhh

    Sequence, based on observed residues (ATOM records): (download) 
    >1n4dB (B:)
aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv
iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq
yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre
qvlarspqaivitgipvipltsdwferaspriilaaqqlcnalsqvd