7pjh

Crystal structure of the human spliceosomal maturation factor AAR2 bound to the RNAse H domain of PRPF8

Method: X-RAY DIFFRACTION Dmax: 112.8 Å Quality: GOOD

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

Protein AAR2 homolog

Homo sapiens

UniProt Q9Y312

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–384 Not recorded Pre-mRNA-processing-splicing factor 8 × 1 (Q6P2Q9) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M HEPES pH 7.0, 10% PEG 6000, 5%(v/v) 2-methyl-2,4- pentanediol Resolution 2.35 Å R-free 0.235

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.

No other PDB entry for the same UniProt protein was found.

View Construct and Data Evidence
UniProt name AAR2_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 29–401; UniProt 1–384

Pre-mRNA-processing-splicing factor 8

Homo sapiens

UniProt Q6P2Q9

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 × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 1758–2016 Not recorded Protein AAR2 homolog × 1 (Q9Y312) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;277 K;0.1 M HEPES pH 7.0, 10% PEG 6000, 5%(v/v) 2-methyl-2,4- pentanediol Resolution 2.35 Å R-free 0.235

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.

100 other PDB entries and 112 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name PRP8_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–259; UniProt 1758–2016

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 7pjh

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7pjh
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7pjh
Deposition date deposition_date2021-08-24
Structure title titleCrystal structure of the human spliceosomal maturation factor AAR2 bound to the RNAse H domain of PRPF8
Keywords keywordsSpliceosomal maturation, pre-mRNA splicing, human AAR2, human PRPF8, SPLICING; SPLICING
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier32.44
Radius of gyration Rg (electron density) rg_electron32.22
Forward intensity I(0) i061533900.00
Molecular weight molecular_weight65361.0 kDa
Excluded volume excluded_volume83261 ų
Envelope volume envelope_volume111350 ų
Hydration-shell volume shell_volume30534 ų
Envelope diameter envelope_diameter119.8
Shell Rg shell_rg37.01
Envelope Rg envelope_rg31.99
Shape Rg shape_rg32.21
Total Rg total_rg32.73
Total atoms total_atoms4617
Residues n_residues574
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 dmax112.8
Rg (real space) rg_real32.75
Rg uncertainty (real space) rg_real_error1.22
I(0) (real space) i0_real6.1530e+07
I(0) uncertainty (real space) i0_real_error1.0830e+06
Rg (reciprocal space) rg_reciprocal32.62
I(0) (reciprocal space) i0_reciprocal61530000.0000
Solution quality estimate total_estimate0.8343
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary27.6
Skewness Skewness skewness0.500
Kurtosis Kurtosis kurtosis-0.383
Angular range angular_range— – 0.2450 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha14680000.0000
Real-space data points n_real_points50
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.742; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.742; Smooth: 0.876

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id7pjhB01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology420 — Nucleotidyltransferase; domain 5
Homologous superfamily homologous superfamily230 — Prp8 RNase H domain, palm region
Domain ID domain_id7pjhB02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology80 — Acyl-CoA Binding Protein
Homologous superfamily homologous superfamily40 — Prp8 RNase H domain, fingers region

8. Citations (3)

9. Files and Curves (10)