SMTL ID : 2q6f.1

Crystal structure of infectious bronchitis virus (IBV) main protease in complex with a Michael acceptor inhibitor N3

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x 02J- ALA- VAL- LEU- PJE- 010: N-[(5-METHYLISOXAZOL-3-YL)CARBONYL]ALANYL-L-VALYL-N~1~-((1R,2Z)-4-(BENZYLOXY)-4-OXO-1-{[(3R)-2-OXOPYRROLIDIN-3-YL]METHYL}BUT-2-ENYL)-L-LEUCINAMIDE(Non-covalent)

02J-ALA-VAL-LEU-PJE-010.1: 19 residues within 4Å: Chain A: H.43, K.47, F.140, A.142, G.143, C.145, H.163, H.164, L.165, E.166, L.167, H.172, D.187, E.188, E.189, V.190, A.191, Q.192 Chain B: S.3 14 PLIP interactions: 12 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:K.47, A:A.142, A:L.167, A:E.189 Hydrogen bonds: A:G.143, A:H.164, A:E.166, A:E.166, A:E.189, A:E.189, A:V.190, B:S.3, B:S.3 Water bridges: A:C.145 02J-ALA-VAL-LEU-PJE-010.2: 24 residues within 4Å: Chain B: N.27, N.28, L.29, H.43, K.47, F.140, L.141, A.142, G.143, A.144, C.145, H.163, H.164, L.165, E.166, L.167, P.168, H.172, D.187, E.188, E.189, V.190, A.191, Q.192 19 PLIP interactions: 19 interactions with chain B Hydrophobic interactions: B:N.27, B:K.47, B:L.165, B:L.165, B:L.167, B:P.168, B:A.191 Hydrogen bonds: B:G.143, B:C.145, B:H.164, B:E.166, B:E.166, B:E.166, B:E.189, B:E.189, B:V.190, B:V.190 Water bridges: B:Q.192 Salt bridges: B:H.43

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xue, X. et al., Structures of two coronavirus main proteases: implications for substrate binding and antiviral drug design. J.Virol. (2008)

Release Date

2008-02-12

Peptides

Infectious bronchitis virus (IBV) main protease: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Infectious bronchitis virus (IBV) main protease

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