eF-site ID 2q6d-ABC
PDB Code 2q6d
Chain A, B, C

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Title Crystal structure of infectious bronchitis virus (IBV) main protease
Classification HYDROLASE
Compound Infectious bronchitis virus (IBV) main protease
Source null (Q3Y5H1_9CORO)
Sequence A:  SGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPR
HVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRL
KGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGTV
IGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYM
HHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTN
NIVAWLYAAIISVSQPKWLESTTVSIEDYNRWASDNGFTP
FSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQ
YNFEDELTPESVFNQV
B:  SSGFKKLVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCP
RHVLGKFSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRR
LKGAVLILQTAVANAETPKYKFVKANCGDSFTIACSYGGT
VIGLYPVTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFY
MHHLELPNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVT
NNIVAWLYAAIISVKESSFSQPKWLESTTVSIEDYNRWAS
DNGFTPFSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGS
DPILGQYNFEDELTPESVFNQVGGVRL
C:  LVSPSSAVEKCIVSVSYRGNNLNGLWLGDSIYCPRHVLGK
FSGDQWGDVLNLANNHEFEVVTQNGVTLNVVSRRLKGAVL
ILQTAVANAETPKYKFVKANCGDSFTIACSYGGTVIGLYP
VTMRSNGTIRASFLAGACGSVGFNIEKGVVNFFYMHHLEL
PNALHTGTDLMGEFYGGYVDEEVAQRVPPDNLVTNNIVAW
LYAAIISVKESSFSQPKWLESTTVSIEDYNRWASDNGFTP
FSTSTAITKLSAITGVDVCKLLRTIMVKSAQWGSDPILGQ
YNFEDELTPESVFNQVGGVRLQ
Description


Functional site

1) 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

2) chain A
residue 143
type ACT_SITE
sequence C
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1

3) 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

4) chain B
residue 143
type ACT_SITE
sequence C
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1

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

6) chain C
residue 143
type ACT_SITE
sequence C
description For 3CL-PRO activity => ECO:0000255|PROSITE-ProRule:PRU00772
source Swiss-Prot : SWS_FT_FI1

7) chain C
residue 307
type SITE
sequence Q
description Cleavage; by 3CL-PRO => ECO:0000250|UniProtKB:P0C6X7
source Swiss-Prot : SWS_FT_FI2


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