2hkp

SUMO protease Ulp1 with the catalytic cysteine oxidized to a sulfenic acid

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Ubiquitin-like-specific protease 1

Saccharomyces cerevisiae

UniProt Q02724

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ULP1_YEAST
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–221; UniProt 403–621

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id2hkp
Deposition date deposition_date2006-07-05
Structure title titleSUMO protease Ulp1 with the catalytic cysteine oxidized to a sulfenic acid
Keywords keywordshydrolase; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION
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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.

2hkp__assembly_1__model_1

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

Download this curve (.dat)

2hkp__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2hkp__assembly_1__model_1 | 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)18.53 Å
Rg (electron density)17.27 Å
Total Rg18.29 Å
Atom count1782
Residues218
Excluded volume31816 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2hkp__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2hkpa2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.3 — Cysteine proteinases
Superfamily Superfamily superfamilyd.3.1 — Cysteine proteinases
Family Family familyd.3.1.7 — Adenain-like
Domain ID domain_idd2hkpa3
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_id2hkpA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology418 — Actin-binding Protein, T-fimbrin; domain 1
Homologous superfamily homologous superfamily20 —
Domain ID domain_id2hkpA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology310 — TATA-Binding Protein
Homologous superfamily homologous superfamily130 — Ubiquitin-related
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7. Citations (2)