4nsw

Crystal structure of the BAR-PH domain of ACAP1

Method: X-RAY DIFFRACTION Dmax: 160.2 Å Quality: REASONABLE

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

Arf-GAP with coiled-coil, ANK repeat and PH domain-containing protein 1

Homo sapiens

UniProt Q15027

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–377 Chain B; UniProt 1–377 Fragment:UNP residues 1-377 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7;289 K;0.2M AMMONIUM CITRATE, 10% PEG3350, 6.0MM OCTYL BETA-THIOGLUCOPYRANOSIDE, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K Resolution 2.20 Å R-free 0.266

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.

6 other PDB entries and 11 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACAP1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 6–382; UniProt 1–377 Author chain B; PDBConstruct 6–382; UniProt 1–377

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 4nsw

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 4nsw
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2. Structure Basics 2. Structure Basics

Entry ID entry_id4nsw
Deposition date deposition_date2013-11-29
Structure title titleCrystal structure of the BAR-PH domain of ACAP1
Keywords keywordsCOILED-COIL, BAR DOMAIN, PH DOMAIN, GTPASE ACTIVATION, PROTEIN TRANSPORT, membrane remodeling; PROTEIN TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier49.34
Radius of gyration Rg (electron density) rg_electron50.84
Forward intensity I(0) i0107466000.00
Molecular weight molecular_weight83061.0 kDa
Excluded volume excluded_volume103550 ų
Envelope volume envelope_volume156990 ų
Hydration-shell volume shell_volume30336 ų
Envelope diameter envelope_diameter166.9
Shell Rg shell_rg42.32
Envelope Rg envelope_rg51.38
Shape Rg shape_rg50.83
Total Rg total_rg50.49
Total atoms total_atoms5839
Residues n_residues730
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 dmax160.2
Rg (real space) rg_real50.71
Rg uncertainty (real space) rg_real_error2.31
I(0) (real space) i0_real1.0750e+08
I(0) uncertainty (real space) i0_real_error2.2560e+06
Rg (reciprocal space) rg_reciprocal49.35
I(0) (reciprocal space) i0_reciprocal107300000.0000
Solution quality estimate total_estimate0.6096
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary25.0
Skewness Skewness skewness0.550
Kurtosis Kurtosis kurtosis-0.688
Angular range angular_range— – 0.1600 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3077000.0000
Real-space data points n_real_points33
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.279; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.090; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id4nswA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1270 — Substrate Binding Domain Of Dnak; Chain:A; Domain 2
Homologous superfamily homologous superfamily60 — Arfaptin homology (AH) domain/BAR domain
Domain ID domain_id4nswA02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)
Domain ID domain_id4nswB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1270 — Substrate Binding Domain Of Dnak; Chain:A; Domain 2
Homologous superfamily homologous superfamily60 — Arfaptin homology (AH) domain/BAR domain
Domain ID domain_id4nswB02
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology29 — PH-domain like
Homologous superfamily homologous superfamily30 — Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

8. Citations (1)

9. Files and Curves (10)