6gip

Crystal structure of the ACVR1 (ALK2) kinase in complex with a Quinazolinone based ALK2 inhibitor with a 2, 5-dimethyl core.

Method: X-RAY DIFFRACTION Dmax: 65.1 Å Quality: GOOD

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

Activin receptor type-1

Homo sapiens

UniProt Q04771

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 201–499 Not recorded EUN 2,5-dimethyl-6-quinolin-4-yl-3~{H}-quinazolin-4-one × 1 SO4 SULFATE ION × 4 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;293 K;1.5M ammonium sulfate, 0.1M tris pH 8.5, 4% glycerol Resolution 2.17 Å R-free 0.239

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.

84 other PDB entries and 142 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACVR1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–301; UniProt 201–499

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 6gip

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6gip
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6gip
Deposition date deposition_date2018-05-14
Structure title titleCrystal structure of the ACVR1 (ALK2) kinase in complex with a Quinazolinone based ALK2 inhibitor with a 2, 5-dimethyl core.
Keywords keywordsKinase, BMP, inhibitor, signalling, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.19
Radius of gyration Rg (electron density) rg_electron18.98
Forward intensity I(0) i020387800.00
Molecular weight molecular_weight34174.0 kDa
Excluded volume excluded_volume42701 ų
Envelope volume envelope_volume48346 ų
Hydration-shell volume shell_volume20983 ų
Envelope diameter envelope_diameter66.8
Shell Rg shell_rg25.65
Envelope Rg envelope_rg19.29
Shape Rg shape_rg18.97
Total Rg total_rg19.91
Total atoms total_atoms2424
Residues n_residues296
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 dmax65.1
Rg (real space) rg_real20.08
Rg uncertainty (real space) rg_real_error0.27
I(0) (real space) i0_real2.0390e+07
I(0) uncertainty (real space) i0_real_error2.3970e+05
Rg (reciprocal space) rg_reciprocal20.11
I(0) (reciprocal space) i0_reciprocal20390000.0000
Solution quality estimate total_estimate0.8919
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.1
Skewness Skewness skewness0.172
Kurtosis Kurtosis kurtosis-0.398
Angular range angular_range— – 0.3950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha4584000.0000
Real-space data points n_real_points71
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.866; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.999

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6gipa_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.144 — Protein kinase-like (PK-like)
Superfamily Superfamily superfamilyd.144.1 — Protein kinase-like (PK-like)
Family Family familyd.144.1.7 — Protein kinases, catalytic subunit

CATH v4.4 (2 domains)

Domain ID domain_id6gipA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology200 — Phosphorylase Kinase; domain 1
Homologous superfamily homologous superfamily20 — Phosphorylase Kinase; domain 1
Domain ID domain_id6gipA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1

8. Citations (1)

9. Files and Curves (10)