PDB entry 1qi4

View 1qi4 on RCSB PDB site
Description: mutant (e219g) maltotetraose-forming exo-amylase in complex with maltotetraose
Class: hydrolase
Keywords: hydrolase, maltotetraose-forming exo amylase
Deposited on 1999-06-01, released 1999-11-24
The last revision prior to the SCOPe 2.05 freeze date was dated 2009-02-24, with a file datestamp of 2009-03-01.
Experiment type: XRAY
Resolution: 2 Å
R-factor: 0.18
AEROSPACI score: 0.43 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: protein (exo-maltotetraohydrolase)
    Species: Pseudomonas stutzeri [TaxId:316]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P13507 (0-417)
      • engineered (218)
    Domains in SCOPe 2.05: d1qi4a1, d1qi4a2
  • Heterogens: CA, MTT, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1qi4A (A:)
dqagkspnavryhggdeiilqgfhwnvvreapndwynilrqqaatiaadgfsaiwmpvpw
rdfsswsdgsksgggegyfwhdfnkngrygsdaqlrqaasalggagvkvlydvvpnhmnr
gypdkeinlpagqgfwrndcadpgnypndcddgdrfiggdadlntghpqvygmfrdeftn
lrsqygaggfrfdfvrgyapervnswmtdsadnsfcvgglwkgpseypnwdwrntaswqq
iikdwsdrakcpvfdfalkermqngsiadwkhglngnpdprwrevavtfvdnhdtgyspg
qnggqhhwalqdglirqayayiltspgtpvvywdhmydwgygdfirqliqvrraagvrad
saisfhsgysglvatvsgsqqtlvvalnsdlgnpgqvasgsfseavnasngqvrvwrsgt
gsgggepga

    Sequence, based on observed residues (ATOM records): (download) 
    >1qi4A (A:)
dqagkspnavryhggdeiilqgfhwnvvreapndwynilrqqaatiaadgfsaiwmpvpw
rdfsswsdgsksgggegyfwhdfnkngrygsdaqlrqaasalggagvkvlydvvpnhmnr
gypdkeinlpagqgfwrndcadpgnypndcddgdrfiggdadlntghpqvygmfrdeftn
lrsqygaggfrfdfvrgyapervnswmtdsadnsfcvgglwkgpseypnwdwrntaswqq
iikdwsdrakcpvfdfalkermqngsiadwkhglngnpdprwrevavtfvdnhdtgyspg
qnggqhhwalqdglirqayayiltspgtpvvywdhmydwgygdfirqliqvrraagvrad
saisfhsgysglvatvsgsqqtlvvalnsdlgnpgqvasgsfseavnasngqvrvwrs