eF-site ID 1uk2-AB
PDB Code 1uk2
Chain A, B

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Title Crystal structure of SARS Coronavirus Main Proteinase (3CLpro) At pH8.0
Classification HYDROLASE
Compound 3C-LIKE PROTEINASE
Source Human SARS coronavirus (SARS-CoV) (Severe acute respiratory syndrome coronavirus) (R1AB_CVHSA)
Sequence A:  SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPR
HVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH
SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNG
SPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC
YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTI
TLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE
PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRT
ILGSTILEDEFTPFDVVRQCSG
B:  SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDTVYCPR
HVICTAEDMLNPNYEDLLIRKSNHSFLVQAGNVQLRVIGH
SMQNCLLRLKVDTSNPKTPKYKFVRIQPGQTFSVLACYNG
SPSGVYQCAMRPNHTIKGSFLNGSCGSVGFNIDYDCVSFC
YMHHMELPTGVHAGTDLEGKFYGPFVDRQTAQAAGTDTTI
TLNVLAWLYAAVINGDRWFLNRFTTTLNDFNLVAMKYNYE
PLTQDHVDILGPLSAQTGIAVLDMCAALKELLQNGMNGRT
ILGSTILEDEFTPFDVVRQCSG
Description


Functional site

1) chain A
residue 41
type catalytic
sequence H
description 830
source MCSA : MCSA1

2) chain A
residue 143
type catalytic
sequence G
description 830
source MCSA : MCSA1

3) chain A
residue 145
type catalytic
sequence C
description 830
source MCSA : MCSA1

4) chain B
residue 41
type catalytic
sequence H
description 830
source MCSA : MCSA2

5) chain B
residue 143
type catalytic
sequence G
description 830
source MCSA : MCSA2

6) chain B
residue 145
type catalytic
sequence C
description 830
source MCSA : MCSA2

7) chain A
residue 41
type ACT_SITE
sequence H
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1

8) chain A
residue 145
type ACT_SITE
sequence C
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1

9) chain B
residue 41
type ACT_SITE
sequence H
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1

10) chain B
residue 145
type ACT_SITE
sequence C
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1


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