PDB entry 1cyy

View 1cyy on RCSB PDB site
Description: crystal structure of the 30 kda fragment of e. coli DNA topoisomerase I. hexagonal form
Class: isomerase
Keywords: DNA topoisomerase, decatenating enzyme, isomerase
Deposited on 1999-08-31, released 2000-03-08
The last revision prior to the SCOPe 2.08 freeze date was dated 2019-08-14, with a file datestamp of 2019-08-09.
Experiment type: XRAY
Resolution: 2.15 Å
R-factor: N/A
AEROSPACI score: 0.27 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: DNA topoisomerase I
    Species: Escherichia coli [TaxId:83333]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d1cyya_
  • Chain 'B':
    Compound: DNA topoisomerase I
    Species: Escherichia coli [TaxId:83333]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.08: d1cyyb_
  • Heterogens: ZN, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >1cyyA (A:)
fvpeefwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvlered
kpttskpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavn
mvrgyisdnfgkkylpespnqyaskensqeaheairpsdvnvmaeslkdmeadaqklyql
iwrqfvacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpalrkgdedrilpav
nkgdaltlveltpaqhftkpparf

    Sequence, based on observed residues (ATOM records): (download) 
    >1cyyA (A:)
efwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvleredkptt
skpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavnmvrg
yisdnfgkkylpespnqyaskensqeaheairpsdvnvmaeslkdmeadaqklyqliwrq
fvacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpaldrilpavnkgdaltlv
eltpaqhftk

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >1cyyB (B:)
fvpeefwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvlered
kpttskpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavn
mvrgyisdnfgkkylpespnqyaskensqeaheairpsdvnvmaeslkdmeadaqklyql
iwrqfvacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpalrkgdedrilpav
nkgdaltlveltpaqhftkpparf

    Sequence, based on observed residues (ATOM records): (download) 
    >1cyyB (B:)
fvpeefwevdastttpsgealalqvthqndkpfrpvnkeqtqaavsllekarysvlered
kpttskpgapfitstlqqaastrlgfgvkktmmmaqrlyeagyitymrtdstnlsqdavn
mvrgyisdnfgkkylpespnqyaseaheairpsdvnvmaeslkdmeadaqklyqliwrqf
vacqmtpakydsttltvgagdfrlkargrilrfdgwtkvmpaldrilpavnkgdaltlve
ltpaqhftkpp