1fkr

SOLUTION STRUCTURE OF FKBP, A ROTAMASE ENZYME AND RECEPTOR FOR FK506 AND RAPAMYCIN

Method: SOLUTION NMR Dmax: 44.3 Å Quality: GOOD

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

FK506 AND RAPAMYCIN-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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 1–107 Not recorded No other associated polymer SOLUTION NMR mmCIF provides none of the parsed experimental conditions Resolution not provided

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 171 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 1fkr

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1fkr
Deposition date deposition_date1992-03-05
Structure title titleSOLUTION STRUCTURE OF FKBP, A ROTAMASE ENZYME AND RECEPTOR FOR FK506 AND RAPAMYCIN
Keywords keywordsCIS-TRANS ISOMERASE; CIS-TRANS ISOMERASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier13.95
Radius of gyration Rg (electron density) rg_electron13.60
Forward intensity I(0) i0774644000.00
Molecular weight molecular_weight236410.0 kDa
Excluded volume excluded_volume296160 ų
Envelope volume envelope_volume26456 ų
Hydration-shell volume shell_volume14534 ų
Envelope diameter envelope_diameter51.7
Shell Rg shell_rg21.28
Envelope Rg envelope_rg15.57
Shape Rg shape_rg13.56
Total Rg total_rg13.87
Total atoms total_atoms33260
Residues n_residues2140
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 dmax44.3
Rg (real space) rg_real13.87
Rg uncertainty (real space) rg_real_error0.26
I(0) (real space) i0_real7.7460e+08
I(0) uncertainty (real space) i0_real_error8.2460e+06
Rg (reciprocal space) rg_reciprocal13.87
I(0) (reciprocal space) i0_reciprocal774600000.0000
Solution quality estimate total_estimate0.8946
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary18.5
Skewness Skewness skewness0.121
Kurtosis Kurtosis kurtosis-0.343
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha210700.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.884; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.975

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1fkra_
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_id1fkrA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology50 — Chitinase A; domain 3
Homologous superfamily homologous superfamily40

8. Citations (3)

9. Files and Curves (10)