eF-site ID 3lb9-A
PDB Code 3lb9
Chain A

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Title Crystal structure of the B. circulans cpA123 circular permutant
Classification HYDROLASE
Compound Endo-1,4-beta-xylanase
Source (XYNA_BACCI)
Sequence A:  ATFTQYWSVRQSKRPTGSNATITFTNHVNAWKSHGMNLGS
NWAYQVMATEGYQSSGSSNVTVWGASTDYWQNWTDGGGIV
NAVNGSGGNYSVNWSNTGNFVVGKGWTTGSPFRTINYNAG
VWAPNGNGYLTLYGWTRSPLIEYYVVDSWGTYRPTGTYKG
TVKSDGGTYDIYTTTRYNAPSI
Description


Functional site

1) chain A
residue 51
type catalytic
sequence E
description 432
source MCSA : MCSA1

2) chain A
residue 100
type catalytic
sequence N
description 432
source MCSA : MCSA1

3) chain A
residue 134
type catalytic
sequence Y
description 432
source MCSA : MCSA1

4) chain A
residue 143
type catalytic
sequence E
description 432
source MCSA : MCSA1

5) chain A
residue 145
type catalytic
sequence Y
description 432
source MCSA : MCSA1

6) chain A
residue 140-150
type prosite
sequence PLIEYYVVDSW
description GH11_1 Glycosyl hydrolases family 11 (GH11) active site signature 1. PLiEYYVVDsW
source prosite : PS00776

7) chain A
residue 48-59
type prosite
sequence MATEGYQSSGSS
description GH11_2 Glycosyl hydrolases family 11 (GH11) active site signature 2. MatEGYQSSGsS
source prosite : PS00777

8) chain A
residue 143
type ACT_SITE
sequence E
description Nucleophile => ECO:0000255|PROSITE-ProRule:PRU10062, ECO:0000269|PubMed:8019418
source Swiss-Prot : SWS_FT_FI1

9) chain A
residue 51
type ACT_SITE
sequence E
description Proton donor => ECO:0000255|PROSITE-ProRule:PRU10063, ECO:0000269|PubMed:8019418
source Swiss-Prot : SWS_FT_FI2


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