1Q2W | pdb_00001q2w

X-Ray Crystal Structure of the SARS Coronavirus Main Protease

PDB DOI: https://doi.org/10.2210/pdb1Q2W/pdb

Classification: HYDROLASE
Organism(s): Severe acute respiratory syndrome-related coronavirus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2003-07-26 Released: 2003-07-29
Deposition Author(s): Bonanno, J.B., Fowler, R., Gupta, S., Hendle, J., Lorimer, D., Romero, R., Sauder, J.M., Wei, C.L., Liu, E.T., Burley, S.K., Harris, T.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.86 Å
R-Value Free:
0.249 (Depositor), 0.241 (DCC)
R-Value Work:
0.194 (Depositor), 0.194 (DCC)
R-Value Observed:
0.207 (Depositor)

Starting Model: experimental
View more details

wwPDB Validation 3D Report Full Report

This is version 1.8 of the entry. See complete history.

Literature

Company Says It Mapped Part of SARS Virus

Bonanno, J.B., Fowler, R., Gupta, S., Hendle, J., Lorimer, D., Romero, R., Sauder, J.M., Wei, C.L., Liu, E.T., Burley, S.K., Harris, T.

(2003) N Y Times Web 30 July: C2-C2

Macromolecule Content

Total Structure Weight: 68.09 kDa
Atom Count: 5,104
Modeled Residue Count: 592
Deposited Residue Count: 616
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
3C-like protease	A, B	308	Severe acute respiratory syndrome-related coronavirus	Mutation(s): 0 Gene Names: 1a EC: 3.4.22
UniProt
Find proteins for P0C6X7 (Severe acute respiratory syndrome coronavirus) Explore P0C6X7 Go to UniProtKB: P0C6X7
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0C6X7
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
MPD Query on MPD Download:Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	(4S)-2-METHYL-2,4-PENTANEDIOL C₆ H₁₄ O₂ SVTBMSDMJJWYQN-YFKPBYRVSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.86 Å
R-Value Free: 0.249 (Depositor), 0.241 (DCC)
R-Value Work: 0.194 (Depositor), 0.194 (DCC)
R-Value Observed: 0.207 (Depositor)

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.244	α = 90
b = 98.287	β = 102.86
c = 67.822	γ = 90

Software Package:

Software Name	Purpose
MAR345	data collection
SCALA	data scaling
EPMR	phasing
REFMAC	refinement
CCP4	data scaling

Structure Validation

View Full Validation Report

View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2003-07-29

Deposition Author(s):

Revision History (Full details and data files)

Version 1.0: 2003-07-29
Type: Initial release
Version 1.1: 2008-04-29
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2017-10-11
Changes: Refinement description
Version 1.4: 2018-11-14
Changes: Data collection, Database references, Structure summary
Version 1.5: 2020-02-12
Changes: Database references, Source and taxonomy, Structure summary
Version 1.6: 2020-02-26
Changes: Database references
Version 1.7: 2021-02-03
Changes: Database references, Derived calculations, Structure summary
Version 1.8: 2023-08-16
Changes: Data collection, Database references, Refinement description