PDB entry 4i1n

View 4i1n on RCSB PDB site
Description: R104A-ca1697 nanobody binding to the binary DHFR.folate complex
Class: oxidoreductase/immune system
Keywords: alpha/beta fold, immunoglobulin fold, reductase, NADPH, folate derivatives, hydride transfer, OXIDOREDUCTASE-IMMUNE SYSTEM complex
Deposited on 2012-11-21, released 2013-11-27
The last revision prior to the SCOPe 2.05 freeze date was dated 2013-11-27, with a file datestamp of 2013-11-22.
Experiment type: XRAY
Resolution: 1.89 Å
R-factor: 0.179
AEROSPACI score: 0.41 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: dihydrofolate reductase
    Species: Escherichia coli [TaxId:83333]
    Gene: folA, tmrA, b0048, JW0047
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.05: d4i1na_
  • Chain 'B':
    Compound: Protein ca1697 (nanobody)
    Species: Lama glama [TaxId:9844]
    Database cross-references and differences (RAF-indexed):
    • PDB 4I1N (0-End)
    Domains in SCOPe 2.05: d4i1nb_
  • Heterogens: FOL, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence; same for both SEQRES and ATOM records: (download) 
    >4i1nA (A:)
misliaalavdrvigmenampwnlpadlawfkrntlnkpvimgrhtwesigrplpgrkni
ilssqpgtddrvtwvksvdeaiaacgdvpeimvigggrvyeqflpkaqklylthidaeve
gdthfpdyepddwesvfsefhdadaqnshsycfeilerr

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >4i1nB (B:)
qvqlqesggglvqagaslrlscaaserltvdyaigwfrqapgkerefvaaiswgggltvy
gesvegrftisrdiakntmnlqmnvlrpedtanyycaasrisyavwntipynkltlwgrg
tqvtvsshhhhhh

    Sequence, based on observed residues (ATOM records): (download) 
    >4i1nB (B:)
qvqlqesggglvqagaslrlscaaserltvdyaigwfrqapgkerefvaaiswgggltvy
gesvegrftisrdiakntmnlqmnvlrpedtanyycaasrisyavwntipynkltlwgrg
tqvtvssh