8k17

Human collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, bound to collagen alpha-1(I) chain

Method: ELECTRON MICROSCOPY Dmax: 120.0 Å Quality: GOOD

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

Prolyl 3-hydroxylase 1

Homo sapiens

UniProt Q32P28

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–736 Not recorded Cartilage-associated protein × 1 (O75718) Peptidyl-prolyl cis-trans isomerase B × 1 (P23284) synthetic substrate × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.18 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name P3H1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–736; UniProt 1–736

Cartilage-associated protein

Homo sapiens

UniProt O75718

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain B; UniProt 1–401 Not recorded Prolyl 3-hydroxylase 1 × 1 (Q32P28) Peptidyl-prolyl cis-trans isomerase B × 1 (P23284) synthetic substrate × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.18 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

5 other PDB entries and 5 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CRTAP_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–401; UniProt 1–401

Peptidyl-prolyl cis-trans isomerase B

Homo sapiens

UniProt P23284

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain C; UniProt 1–216 Not recorded Prolyl 3-hydroxylase 1 × 1 (Q32P28) Cartilage-associated protein × 1 (O75718) synthetic substrate × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.18 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

7 other PDB entries and 8 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PPIB_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–216; UniProt 1–216

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.

SAXS scattering curve SAXS Profile

SAXS profile for 8k17

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 8k17
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2. Structure Basics 2. Structure Basics

Entry ID entry_id8k17
Deposition date deposition_date2023-07-10
Structure title titleHuman collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, bound to collagen alpha-1(I) chain
Keywords keywordscomplex, hydroxylase, collagen, ER protein, CYTOSOLIC PROTEIN; CYTOSOLIC PROTEIN
Experimental Method methodELECTRON MICROSCOPY

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier37.18
Radius of gyration Rg (electron density) rg_electron36.62
Forward intensity I(0) i0295400000.00
Molecular weight molecular_weight138300.0 kDa
Excluded volume excluded_volume172800 ų
Envelope volume envelope_volume245180 ų
Hydration-shell volume shell_volume56285 ų
Envelope diameter envelope_diameter120.8
Shell Rg shell_rg42.62
Envelope Rg envelope_rg35.94
Shape Rg shape_rg36.63
Total Rg total_rg37.01
Total atoms total_atoms9748
Residues n_residues1203
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax120.0
Rg (real space) rg_real37.04
Rg uncertainty (real space) rg_real_error0.85
I(0) (real space) i0_real2.9540e+08
I(0) uncertainty (real space) i0_real_error4.9590e+06
Rg (reciprocal space) rg_reciprocal37.13
I(0) (reciprocal space) i0_reciprocal295400000.0000
Solution quality estimate total_estimate0.8865
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary47.4
Skewness Skewness skewness0.235
Kurtosis Kurtosis kurtosis-0.353
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha50230000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.868; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.918

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

8. Citations (1)

9. Files and Curves (10)