2k1q

NMR structure of hepatitis c virus ns3 serine protease complexed with the non-covalently bound phenethylamide inhibitor

Method: SOLUTION NMR

1. Protein Identity and Related Structures Protein Identity & Related Structures

NS3 PROTEASE

Hepatitis C virus

UniProt P90191

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 PHENETHYLAMIDE × 1 ZINC ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name P90191_9HEPC
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–180; UniProt 1027–1206

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

2. Structure Basics 2. Structure Basics

Entry ID entry_id2k1q
Deposition date deposition_date2008-03-13
Structure title titleNMR structure of hepatitis c virus ns3 serine protease complexed with the non-covalently bound phenethylamide inhibitor
Keywords keywords;SERINE PROTEASE, NS3, HEPATITIS C VIRUS, NON COVALENT INHIBITOR, Envelope protein, Helicase, Hydrolase, Nucleotide-binding, RNA replication, Transmembrane, VIRAL PROTEIN ;; VIRAL PROTEIN
Experimental Method methodSOLUTION NMR

3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

2k1q__assembly_1__model_2

Assembly 1 · Model 2 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2k1q__assembly_1__model_2 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2k1q__assembly_1__model_2 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)16.96 Å
Rg (electron density)15.76 Å
Total Rg17.01 Å
Atom count2534
Residues167
Excluded volume22505 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2k1q__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2k1q__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2k1q__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2k1q__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2k1q__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2k1q__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2k1q__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2k1q__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 2k1q__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 2k1q__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 2k1q__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 2k1q__assembly_1__model_12 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 2k1q__assembly_1__model_13 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 2k1q__assembly_1__model_14 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 2k1q__assembly_1__model_15 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 2k1q__assembly_1__model_16 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 2k1q__assembly_1__model_17 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 2k1q__assembly_1__model_18 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 2k1q__assembly_1__model_19 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 2k1q__assembly_1__model_20 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (3)

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2k1qa1
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.3 — Viral proteases
Domain ID domain_idd2k1qa2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id2k1qA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily120
Domain ID domain_id2k1qA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

7. Citations (1)