1s1c

Crystal structure of the complex between the human RhoA and Rho-binding domain of human ROCKI

Method: X-RAY DIFFRACTION Dmax: 115.6 Å Quality: GOOD

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

Transforming protein RhoA

Homo sapiens

UniProt P61586

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 1–181 Chain B; UniProt 1–181 Fragment:RhoA Rho-associated, coiled-coil containing protein kinase 1 × 2 (Q13464) MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 7.5;293 K;TRIS, PEG 3350, isopropyl alcohol, pH 7.5, EVAPORATION, temperature 293K Resolution 2.60 Å R-free 0.257

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.

129 other PDB entries and 165 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RHOA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–183; UniProt 1–181 Author chain B; PDBConstruct 3–183; UniProt 1–181

Rho-associated, coiled-coil containing protein kinase 1

Homo sapiens

UniProt Q13464

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 X; UniProt 946–1015 Chain Y; UniProt 946–1015 Fragment:Rho-binding domain of ROCKI, residues 947-1015 Transforming protein RhoA × 2 (P61586) MG MAGNESIUM ION × 2 GNP PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTER × 2 X-RAY DIFFRACTION X-ray crystallization conditions:EVAPORATION;pH 7.5;293 K;TRIS, PEG 3350, isopropyl alcohol, pH 7.5, EVAPORATION, temperature 293K Resolution 2.60 Å R-free 0.257

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.

31 other PDB entries and 48 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ROCK1_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain X; PDBConstruct 3–71; UniProt 946–1015 Author chain Y; PDBConstruct 3–71; UniProt 946–1015

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 1s1c

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1s1c
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1s1c
Deposition date deposition_date2004-01-06
Structure title titleCrystal structure of the complex between the human RhoA and Rho-binding domain of human ROCKI
Keywords keywordscoiled-coil, GTPase, Rho kinase, ROCK, 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_guinier33.53
Radius of gyration Rg (electron density) rg_electron33.61
Forward intensity I(0) i056491200.00
Molecular weight molecular_weight57496.0 kDa
Excluded volume excluded_volume71369 ų
Envelope volume envelope_volume97795 ų
Hydration-shell volume shell_volume26781 ų
Envelope diameter envelope_diameter121.7
Shell Rg shell_rg36.09
Envelope Rg envelope_rg34.57
Shape Rg shape_rg33.55
Total Rg total_rg34.01
Total atoms total_atoms4017
Residues n_residues497
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 dmax115.6
Rg (real space) rg_real33.79
Rg uncertainty (real space) rg_real_error1.38
I(0) (real space) i0_real5.6490e+07
I(0) uncertainty (real space) i0_real_error9.2880e+05
Rg (reciprocal space) rg_reciprocal33.63
I(0) (reciprocal space) i0_reciprocal56480000.0000
Solution quality estimate total_estimate0.7945
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.6
Skewness Skewness skewness0.439
Kurtosis Kurtosis kurtosis-0.464
Angular range angular_range— – 0.2350 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7106000.0000
Real-space data points n_real_points48
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.695; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.484; Smooth: 0.756

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1s1ca_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins
Domain ID domain_idd1s1cb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
Superfamily Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
Family Family familyc.37.1.8 — G proteins
Domain ID domain_idd1s1cx1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.27 — G protein-binding domain
Family Family familyh.1.27.1 — RhoA-binding domain
Domain ID domain_idd1s1cx2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd1s1cy1
Class classh — Coiled coil proteins
Fold Fold foldh.1 — Parallel coiled-coil
Superfamily Superfamily superfamilyh.1.27 — G protein-binding domain
Family Family familyh.1.27.1 — RhoA-binding domain
Domain ID domain_idd1s1cy2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (4 domains)

Domain ID domain_id1s1cA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1s1cB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
Domain ID domain_id1s1cX00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily730 — Single helix bin
Domain ID domain_id1s1cY00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily730 — Single helix bin

8. Citations (1)

9. Files and Curves (10)