1gk8

Rubisco from Chlamydomonas reinhardtii

Method: X-RAY DIFFRACTION Dmax: 134.7 Å Quality: GOOD

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

RIBULOSE-1,5 BISPHOSPHATE CARBOXYLASE LARGE CHAIN

OrganismNot specified

UniProt P00877

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 × 16 PDB declaration: hexadecameric(16) Consistent with protein copy count Chain A; UniProt 1–475 Chain C; UniProt 1–475 Chain E; UniProt 1–475 Chain G; UniProt 1–475 Non-standard monomer:Yes (specific site not provided by mmCIF) RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN 1 × 8 (P00873) MG MAGNESIUM ION × 8 CAP 2-CARBOXYARABINITOL-1,5-DIPHOSPHATE × 8 EDO 1,2-ETHANEDIOL × 66 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;291 K;50 MM HEPES PH 7.5, 8-12% PEG 4000, 50 MM NAHCO3, 5 MM MGCL2, 50 UM 2-CABP, 18 DEG C, 10-15 MG/ML PROTEIN Resolution 1.40 Å R-free 0.162

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.

14 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RBL_CHLRE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–475; UniProt 1–475 Author chain C; PDBConstruct 1–475; UniProt 1–475 Author chain E; PDBConstruct 1–475; UniProt 1–475 Author chain G; PDBConstruct 1–475; UniProt 1–475

RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN 1

OrganismNot specified

UniProt P00873

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 × 16 PDB declaration: hexadecameric(16) Consistent with protein copy count Chain I; UniProt 46–185 Chain K; UniProt 46–185 Chain M; UniProt 46–185 Chain O; UniProt 46–185 Non-standard monomer:Yes (specific site not provided by mmCIF) RIBULOSE-1,5 BISPHOSPHATE CARBOXYLASE LARGE CHAIN × 8 (P00877) MG MAGNESIUM ION × 8 CAP 2-CARBOXYARABINITOL-1,5-DIPHOSPHATE × 8 EDO 1,2-ETHANEDIOL × 66 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7.5;291 K;50 MM HEPES PH 7.5, 8-12% PEG 4000, 50 MM NAHCO3, 5 MM MGCL2, 50 UM 2-CABP, 18 DEG C, 10-15 MG/ML PROTEIN Resolution 1.40 Å R-free 0.162

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.

12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name RBS1_CHLRE
Isoform
PDB entities 2
Chains and sequence ranges Author chain I; PDBConstruct 1–140; UniProt 46–185 Author chain K; PDBConstruct 1–140; UniProt 46–185 Author chain M; PDBConstruct 1–140; UniProt 46–185 Author chain O; PDBConstruct 1–140; UniProt 46–185

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 1gk8

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1gk8
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1gk8
Deposition date deposition_date2001-08-09
Structure title titleRubisco from Chlamydomonas reinhardtii
Keywords keywordsLYASE, RUBISCO, PHOTOSYNTHESIS; LYASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier43.10
Radius of gyration Rg (electron density) rg_electron42.60
Forward intensity I(0) i01069950000.00
Molecular weight molecular_weight269360.0 kDa
Excluded volume excluded_volume336060 ų
Envelope volume envelope_volume432720 ų
Hydration-shell volume shell_volume79386 ų
Envelope diameter envelope_diameter137.4
Shell Rg shell_rg51.29
Envelope Rg envelope_rg43.02
Shape Rg shape_rg42.61
Total Rg total_rg42.90
Total atoms total_atoms18907
Residues n_residues2350
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 dmax134.7
Rg (real space) rg_real42.88
Rg uncertainty (real space) rg_real_error0.73
I(0) (real space) i0_real1.0700e+09
I(0) uncertainty (real space) i0_real_error1.8890e+07
Rg (reciprocal space) rg_reciprocal43.10
I(0) (reciprocal space) i0_reciprocal1070000000.0000
Solution quality estimate total_estimate0.8973
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary58.2
Skewness Skewness skewness0.095
Kurtosis Kurtosis kurtosis-0.562
Angular range angular_range— – 0.1850 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha299000000.0000
Real-space data points n_real_points38
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.927; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.896

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

Domain ID domain_idd1gk8a1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.14 — RuBisCo, C-terminal domain
Family Family familyc.1.14.1 — RuBisCo, large subunit, C-terminal domain
Domain ID domain_idd1gk8a2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family familyd.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase
Domain ID domain_idd1gk8c1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.14 — RuBisCo, C-terminal domain
Family Family familyc.1.14.1 — RuBisCo, large subunit, C-terminal domain
Domain ID domain_idd1gk8c2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family familyd.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase
Domain ID domain_idd1gk8e1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.14 — RuBisCo, C-terminal domain
Family Family familyc.1.14.1 — RuBisCo, large subunit, C-terminal domain
Domain ID domain_idd1gk8e2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family familyd.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase
Domain ID domain_idd1gk8g1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.14 — RuBisCo, C-terminal domain
Family Family familyc.1.14.1 — RuBisCo, large subunit, C-terminal domain
Domain ID domain_idd1gk8g2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.58 — Ferredoxin-like
Superfamily Superfamily superfamilyd.58.9 — RuBisCO, large subunit, small (N-terminal) domain
Family Family familyd.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase
Domain ID domain_idd1gk8i_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.73 — RuBisCO, small subunit
Superfamily Superfamily superfamilyd.73.1 — RuBisCO, small subunit
Family Family familyd.73.1.1 — RuBisCO, small subunit
Domain ID domain_idd1gk8k_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.73 — RuBisCO, small subunit
Superfamily Superfamily superfamilyd.73.1 — RuBisCO, small subunit
Family Family familyd.73.1.1 — RuBisCO, small subunit
Domain ID domain_idd1gk8m_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.73 — RuBisCO, small subunit
Superfamily Superfamily superfamilyd.73.1 — RuBisCO, small subunit
Family Family familyd.73.1.1 — RuBisCO, small subunit
Domain ID domain_idd1gk8o_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.73 — RuBisCO, small subunit
Superfamily Superfamily superfamilyd.73.1 — RuBisCO, small subunit
Family Family familyd.73.1.1 — RuBisCO, small subunit

CATH v4.4 (12 domains)

Domain ID domain_id1gk8A01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily150 — RuBisCO large subunit, N-terminal domain
Domain ID domain_id1gk8A02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain
Domain ID domain_id1gk8C01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily150 — RuBisCO large subunit, N-terminal domain
Domain ID domain_id1gk8C02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain
Domain ID domain_id1gk8E01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily150 — RuBisCO large subunit, N-terminal domain
Domain ID domain_id1gk8E02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain
Domain ID domain_id1gk8G01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology70 — Alpha-Beta Plaits
Homologous superfamily homologous superfamily150 — RuBisCO large subunit, N-terminal domain
Domain ID domain_id1gk8G02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain
Domain ID domain_id1gk8I00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily10 — Ribulose bisphosphate carboxylase, small subunit
Domain ID domain_id1gk8K00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily10 — Ribulose bisphosphate carboxylase, small subunit
Domain ID domain_id1gk8M00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily10 — Ribulose bisphosphate carboxylase, small subunit
Domain ID domain_id1gk8O00
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase
Homologous superfamily homologous superfamily10 — Ribulose bisphosphate carboxylase, small subunit

8. Citations (1)

9. Files and Curves (10)