1lci

FIREFLY LUCIFERASE

Method: X-RAY DIFFRACTION Dmax: 85.0 Å Quality: REASONABLE

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

LUCIFERASE

Photinus pyralis

UniProt P08659

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 1–550 Not recorded No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:microbatch under oil;pH 7.8;283 K;2 MICROLITRE OF LUCIFERASE (20 MG/ML) IN 0.2M AMMONIUM SULFATE, 0.001M EDTA, 0.001M DTT, 10% GLYCEROL, 25% ETHYLENE GLYCOL, 0.025M TRIS-HCL PH7.8 + 2 MICROLITRE 0.5M LITHIUM SULFATE, 26% PEG 8000, 0.1M TRIS-HCL PH7.8 AT 10 DEGREES CELSIUS IN MICROBATCH UNDER OIL. CRYOPROTECTANT SOLUTION: 8% PEG 8000, 10% GLYCEROL, 12.5% ETHYLENE GLYCOL, 0.1M TRIS-HCL PH7.8, microbatch under oil, temperature 283K Resolution 2.00 Å R-free 0.265

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.

17 other PDB entries and 24 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LUCI_PHOPY
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–550; UniProt 1–550

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 1lci

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1lci
Deposition date deposition_date1996-06-01
Structure title titleFIREFLY LUCIFERASE
Keywords keywordsOXIDOREDUCTASE, MONOOXYGENASE, PHOTOPROTEIN, LUMINESCENCE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.60
Radius of gyration Rg (electron density) rg_electron24.65
Forward intensity I(0) i047798300.00
Molecular weight molecular_weight56184.0 kDa
Excluded volume excluded_volume71339 ų
Envelope volume envelope_volume85032 ų
Hydration-shell volume shell_volume28988 ų
Envelope diameter envelope_diameter88.9
Shell Rg shell_rg31.55
Envelope Rg envelope_rg24.55
Shape Rg shape_rg24.65
Total Rg total_rg25.43
Total atoms total_atoms3967
Residues n_residues523
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 dmax85.0
Rg (real space) rg_real25.54
Rg uncertainty (real space) rg_real_error0.55
I(0) (real space) i0_real4.7800e+07
I(0) uncertainty (real space) i0_real_error7.0710e+05
Rg (reciprocal space) rg_reciprocal25.56
I(0) (reciprocal space) i0_reciprocal47800000.0000
Solution quality estimate total_estimate0.6970
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary31.5
Skewness Skewness skewness0.271
Kurtosis Kurtosis kurtosis-0.345
Angular range angular_range— – 0.3100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha8544000.0000
Real-space data points n_real_points63
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.867; Stabil: 1.000; Sysdev: 0.164; Positv: 1.000; Valcen: 0.999; Smooth: 0.964

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1lcia_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.23 — Acetyl-CoA synthetase-like
Superfamily Superfamily superfamilye.23.1 — Acetyl-CoA synthetase-like
Family Family familye.23.1.1 — Acetyl-CoA synthetase-like

CATH v4.4 (4 domains)

Domain ID domain_id1lciA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily980
Domain ID domain_id1lciA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily980
Domain ID domain_id1lciA03
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology38 — Luciferase; domain 3
Homologous superfamily homologous superfamily10 — Luciferase; Domain 3
Domain ID domain_id1lciA04
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology300 — GMP Synthetase; Chain A, domain 3
Homologous superfamily homologous superfamily30 — ANL, C-terminal domain

8. Citations (1)

9. Files and Curves (10)