1dfp

FACTOR D INHIBITED BY DIISOPROPYL FLUOROPHOSPHATE

Method: X-RAY DIFFRACTION Dmax: 81.6 Å Quality: GOOD

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

FACTOR D

OrganismNot specified

UniProt P00746

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 26–253 Chain B; UniProt 26–253 Not recorded DFP DIISOPROPYL PHOSPHONATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.8;INHIBITED PROTEIN WAS CRYSTALLIZED FROM 12-16% PEG 6000 AND 0.2 M NACL,50MM MES BUFFER, PH=5.6-5.8. Resolution 2.40 Å R-free 0.228

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.

39 other PDB entries and 98 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CFAD_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–228; UniProt 26–253 Author chain B; PDBConstruct 1–228; UniProt 26–253

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 1dfp

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1dfp
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id1dfp
Deposition date deposition_date1997-02-18
Structure title titleFACTOR D INHIBITED BY DIISOPROPYL FLUOROPHOSPHATE
Keywords keywordsSERINE PROTEASE, COMPLEMENT, FACTOR D, HYDROLASE; SERINE PROTEASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier23.97
Radius of gyration Rg (electron density) rg_electron22.74
Forward intensity I(0) i044216900.00
Molecular weight molecular_weight49138.0 kDa
Excluded volume excluded_volume60654 ų
Envelope volume envelope_volume72490 ų
Hydration-shell volume shell_volume26279 ų
Envelope diameter envelope_diameter82.6
Shell Rg shell_rg30.01
Envelope Rg envelope_rg22.94
Shape Rg shape_rg22.74
Total Rg total_rg23.58
Total atoms total_atoms3444
Residues n_residues456
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 dmax81.6
Rg (real space) rg_real23.88
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real4.4220e+07
I(0) uncertainty (real space) i0_real_error6.4430e+05
Rg (reciprocal space) rg_reciprocal23.90
I(0) (reciprocal space) i0_reciprocal44220000.0000
Solution quality estimate total_estimate0.8052
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary28.1
Skewness Skewness skewness0.230
Kurtosis Kurtosis kurtosis-0.495
Angular range angular_range— – 0.3300 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha11120000.0000
Real-space data points n_real_points65
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.827; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1dfpa_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases
Domain ID domain_idd1dfpb_
Class classb — All beta proteins
Fold Fold foldb.47 — Trypsin-like serine proteases
Superfamily Superfamily superfamilyb.47.1 — Trypsin-like serine proteases
Family Family familyb.47.1.2 — Eukaryotic proteases

CATH v4.4 (4 domains)

Domain ID domain_id1dfpA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dfpA02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dfpB01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases
Domain ID domain_id1dfpB02
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology10 — Thrombin, subunit H
Homologous superfamily homologous superfamily10 — Trypsin-like serine proteases

8. Citations (1)

9. Files and Curves (10)