SCOPe 2.08: Domain d1n4db_: 1n4d B:

Lineage for d1n4db_ (1n4d B:)

1. Root: SCOPe 2.08

2. Class c: Alpha and beta proteins (a/b) [51349] (148 folds)

3. Fold c.92: Chelatase-like [53799] (3 superfamilies)
   duplication: tandem repeat of two domains; 3 layers (a/b/a); parallel beta-sheet of 4 strands, order 2134

4. Superfamily c.92.2: 'Helical backbone' metal receptor [53807] (5 families)
   contains a long alpha helical insertion in the interdomain linker

5. Family c.92.2.2: TroA-like [53811] (6 proteins)

6. Protein Vitamin B12 binding protein BtuF [82557] (2 species)

7. Species Escherichia coli [TaxId:562] [82558] (4 PDB entries)

8. Domain d1n4db_: 1n4d B: [85320]

Details for d1n4db_

PDB Entry: 1n4d, 3 Å

PDB Description: The Ligand-Free Structure of E coli BtuF, the Periplasmic Binding Protein for Vitamin B12

PDB Compounds: (B:) Vitamin B12 transport protein btuF

SCOPe Domain Sequences for d1n4db_:

Sequence, based on SEQRES records:

>d1n4db_ c.92.2.2 (B:) Vitamin B12 binding protein BtuF {Escherichia coli [TaxId: 562]}
aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv
iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq
yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre
qvlarspqaivitggpdqipkikqywgeqlkipvipltsdwferaspriilaaqqlcnal
sqvd

Sequence, based on observed residues (ATOM records):

>d1n4db_ c.92.2.2 (B:) Vitamin B12 binding protein BtuF {Escherichia coli [TaxId: 562]}
aprvitlspantelafaagitpvgvssysdyppqaqkieqvstwqgmnlerivalkpdlv
iawrggnaerqvdqlaslgikvmwvdatsieqianalrqlapwspqpdkaeqaaqslldq
yaqlkaqyadkpkkrvflqfginppftsgkesiqnqvlevcggenifkdsrvpwpqvsre
qvlarspqaivitgipvipltsdwferaspriilaaqqlcnalsqvd

Timeline for d1n4db_:

• d1n4db_ first appeared in SCOP 1.65
  
• d1n4db_ appears in SCOPe 2.07