4nif

Heterodimeric structure of ERK2 and RSK1

Method: X-RAY DIFFRACTION Dmax: 116.9 Å Quality: EXCELLENT

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

Ribosomal protein S6 kinase alpha-1

Homo sapiens

UniProt Q15418

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 411–735 Chain D; UniProt 411–735 Fragment:C-terminal kinase domain, UNP residues 411-735 Mitogen-activated protein kinase 1 × 2 (P28482) ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 SO4 SULFATE ION × 3 NA SODIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.25;296 K;0.1M MES, 15% PEG4000, 0.125M (NH4)2SO4, 2% Benzamidine, pH 6.25, VAPOR DIFFUSION, SITTING DROP, temperature 296K Resolution 2.15 Å R-free 0.208

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.

21 other PDB entries and 28 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name KS6A1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–327; UniProt 411–735 Author chain D; PDBConstruct 3–327; UniProt 411–735

Mitogen-activated protein kinase 1

Homo sapiens

UniProt P28482

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 1–360 Chain E; UniProt 1–360 Not recorded Ribosomal protein S6 kinase alpha-1 × 2 (Q15418) ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 SO4 SULFATE ION × 3 NA SODIUM ION × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.25;296 K;0.1M MES, 15% PEG4000, 0.125M (NH4)2SO4, 2% Benzamidine, pH 6.25, VAPOR DIFFUSION, SITTING DROP, temperature 296K Resolution 2.15 Å R-free 0.208

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.

158 other PDB entries and 177 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MK01_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 3–362; UniProt 1–360 Author chain E; PDBConstruct 3–362; UniProt 1–360

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 4nif

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id4nif
Deposition date deposition_date2013-11-06
Structure title titleHeterodimeric structure of ERK2 and RSK1
Keywords keywordsKinase domain, SIGNALING, Substrate kinase binding, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier36.57
Radius of gyration Rg (electron density) rg_electron35.92
Forward intensity I(0) i0340728000.00
Molecular weight molecular_weight150460.0 kDa
Excluded volume excluded_volume188710 ų
Envelope volume envelope_volume243680 ų
Hydration-shell volume shell_volume56134 ų
Envelope diameter envelope_diameter128.2
Shell Rg shell_rg42.85
Envelope Rg envelope_rg35.26
Shape Rg shape_rg35.93
Total Rg total_rg36.32
Total atoms total_atoms10582
Residues n_residues1323
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 dmax116.9
Rg (real space) rg_real36.44
Rg uncertainty (real space) rg_real_error0.78
I(0) (real space) i0_real3.4070e+08
I(0) uncertainty (real space) i0_real_error5.8600e+06
Rg (reciprocal space) rg_reciprocal36.52
I(0) (reciprocal space) i0_reciprocal340800000.0000
Solution quality estimate total_estimate0.9004
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary46.2
Skewness Skewness skewness0.215
Kurtosis Kurtosis kurtosis-0.483
Angular range angular_range— – 0.2150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha90130000.0000
Real-space data points n_real_points44
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.923; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.930

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd4nifa_
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.144.1.0 — automated matches
Domain ID domain_idd4nifb_
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
Domain ID domain_idd4nifd_
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.144.1.0 — automated matches
Domain ID domain_idd4nife_
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 (6 domains)

Domain ID domain_id4nifA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id4nifB01
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_id4nifB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id4nifD02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology510 — Transferase(Phosphotransferase); domain 1
Homologous superfamily homologous superfamily10 — Transferase(Phosphotransferase) domain 1
Domain ID domain_id4nifE01
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_id4nifE02
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)