PDB entry 2d20

View 2d20 on RCSB PDB site
Description: Crystal structure of michaelis complex of catalytic-site mutant xylanase from Streptomyces olivaceoviridis E-86
Class: hydrolase
Keywords: tim-barrel, retaining enzyme, catalytic-site mutant, chemical rescue, michaelis complex, hydrolase
Deposited on 2005-09-02, released 2006-10-10
The last revision prior to the SCOPe 2.04 freeze date was dated 2012-02-15, with a file datestamp of 2012-02-10.
Experiment type: XRAY
Resolution: 1.85 Å
R-factor: 0.181
AEROSPACI score: 0.51 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: endo-1,4-beta-D-xylanase
    Species: Streptomyces olivaceoviridis [TaxId:1921]
    Database cross-references and differences (RAF-indexed):
    • Uniprot Q7SI98
      • engineered mutation (126-127)
    Domains in SCOPe 2.04: d2d20a1, d2d20a2
  • Chain 'B':
    Compound: endo-1,4-beta-D-xylanase
    Species: Streptomyces olivaceoviridis [TaxId:1921]
    Database cross-references and differences (RAF-indexed):
    • Uniprot Q7SI98 (0-435)
      • engineered mutation (126-127)
    Domains in SCOPe 2.04: d2d20b1, d2d20b2
  • Heterogens: NPO, GOL, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download) 
    >2d20A (A:)
aestlgaaaaqsgryfgtaiasgklgdsayttiasrefnmvtaenemkidatepqrgqfn
fsagdrvynwavqngkqvrghtlawhsqqpgwmqslsgstlrqamidhingvmghykgki
aqwdvvshafsddgsggrrdsnlqrtgndwievafrtaraadpaaklcyndynienwtwa
ktqgvynmvrdfkqrgvpidcvgfqshfnsgspynsnfrttlqnfaalgvdvaiteldiq
gassstyaavtndclavsrclgitvwgvrdtdswrsgdtpllfngdgskkaaytavlnal
nggsstpppsgggqikgvgsgrcldvpnasttdgtqvqlydchsatnqqwtytdagelrv
ygdkcldaagtgngtkvqiyscwggdnqkwrlnsdgsivgvqsglcldavgggtangtli
qlyscsngsnqrwtrt

    Sequence, based on observed residues (ATOM records): (download) 
    >2d20A (A:)
aestlgaaaaqsgryfgtaiasgklgdsayttiasrefnmvtaenemkidatepqrgqfn
fsagdrvynwavqngkqvrghtlawhsqqpgwmqslsgstlrqamidhingvmghykgki
aqwdvvshafsddgsggrrdsnlqrtgndwievafrtaraadpaaklcyndynienwtwa
ktqgvynmvrdfkqrgvpidcvgfqshfnsgspynsnfrttlqnfaalgvdvaiteldiq
gassstyaavtndclavsrclgitvwgvrdtdswrsgdtpllfngdgskkaaytavlnal
ngggqikgvgsgrcldvpnasttdgtqvqlydchsatnqqwtytdagelrvygdkcldaa
gtgngtkvqiyscwggdnqkwrlnsdgsivgvqsglcldavgggtangtliqlyscsngs
nqrwtrt

  • Chain 'B':
    Sequence, based on SEQRES records: (download) 
    >2d20B (B:)
aestlgaaaaqsgryfgtaiasgklgdsayttiasrefnmvtaenemkidatepqrgqfn
fsagdrvynwavqngkqvrghtlawhsqqpgwmqslsgstlrqamidhingvmghykgki
aqwdvvshafsddgsggrrdsnlqrtgndwievafrtaraadpaaklcyndynienwtwa
ktqgvynmvrdfkqrgvpidcvgfqshfnsgspynsnfrttlqnfaalgvdvaiteldiq
gassstyaavtndclavsrclgitvwgvrdtdswrsgdtpllfngdgskkaaytavlnal
nggsstpppsgggqikgvgsgrcldvpnasttdgtqvqlydchsatnqqwtytdagelrv
ygdkcldaagtgngtkvqiyscwggdnqkwrlnsdgsivgvqsglcldavgggtangtli
qlyscsngsnqrwtrt

    Sequence, based on observed residues (ATOM records): (download) 
    >2d20B (B:)
aestlgaaaaqsgryfgtaiasgklgdsayttiasrefnmvtaenemkidatepqrgqfn
fsagdrvynwavqngkqvrghtlawhsqqpgwmqslsgstlrqamidhingvmghykgki
aqwdvvshafsddgsggrrdsnlqrtgndwievafrtaraadpaaklcyndynienwtwa
ktqgvynmvrdfkqrgvpidcvgfqshfnsgspynsnfrttlqnfaalgvdvaiteldiq
gassstyaavtndclavsrclgitvwgvrdtdswrsgdtpllfngdgskkaaytavlnal
ngggqikgvgsgrcldvpnasttdgtqvqlydchsatnqqwtytdagelrvygdkcldaa
gtgngtkvqiyscwggdnqkwrlnsdgsivgvqsglcldavgggtangtliqlyscsngs
nqrwtrt