2fke

FK-506-BINDING PROTEIN: THREE-DIMENSIONAL STRUCTURE OF THE COMPLEX WITH THE ANTAGONIST L-685,818

Method: X-RAY DIFFRACTION Dmax: 48.3 Å Quality: GOOD

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

FK506 BINDING PROTEIN

Homo sapiens

UniProt P62942

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 1–107 Not recorded FK5 8-DEETHYL-8-[BUT-3-ENYL]-ASCOMYCIN × 2 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 1.72 Å
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–107 Not recorded FK5 8-DEETHYL-8-[BUT-3-ENYL]-ASCOMYCIN × 4 X-RAY DIFFRACTION mmCIF provides none of the parsed experimental conditions Resolution 1.72 Å

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.

110 other PDB entries and 170 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FKB1A_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–107; UniProt 1–107

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 2fke

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2fke
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2fke
Deposition date deposition_date1993-01-27
Structure title titleFK-506-BINDING PROTEIN: THREE-DIMENSIONAL STRUCTURE OF THE COMPLEX WITH THE ANTAGONIST L-685,818
Keywords keywordsCIS-TRANS ISOMERASE; CIS-TRANS ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier14.61
Radius of gyration Rg (electron density) rg_electron13.17
Forward intensity I(0) i03059600.00
Molecular weight molecular_weight12625.0 kDa
Excluded volume excluded_volume15999 ų
Envelope volume envelope_volume17522 ų
Hydration-shell volume shell_volume11363 ų
Envelope diameter envelope_diameter46.6
Shell Rg shell_rg18.87
Envelope Rg envelope_rg13.46
Shape Rg shape_rg13.14
Total Rg total_rg14.54
Total atoms total_atoms889
Residues n_residues107
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 dmax48.3
Rg (real space) rg_real14.51
Rg uncertainty (real space) rg_real_error0.30
I(0) (real space) i0_real3.0600e+06
I(0) uncertainty (real space) i0_real_error3.4330e+04
Rg (reciprocal space) rg_reciprocal14.52
I(0) (reciprocal space) i0_reciprocal3060000.0000
Solution quality estimate total_estimate0.8747
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary19.6
Skewness Skewness skewness0.131
Kurtosis Kurtosis kurtosis-0.306
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha593800.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.790; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.998

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2fkea_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.26 — FKBP-like
Superfamily Superfamily superfamilyd.26.1 — FKBP-like
Family Family familyd.26.1.1 — FKBP immunophilin/proline isomerase

CATH v4.4 (1 domains)

Domain ID domain_id2fkeA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology50 — Chitinase A; domain 3
Homologous superfamily homologous superfamily40

8. Citations (2)

9. Files and Curves (10)