1qpf

FK506 BINDING PROTEIN (12 KDA, HUMAN) COMPLEX WITH L-709,858

Method: X-RAY DIFFRACTION Dmax: 62.0 Å Quality: GOOD

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

PROTEIN (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 Chain D; UniProt 1–107 Not recorded 858 C32-O-(1-ETHYL-INDOL-5-YL)ASCOMYCIN × 2 B7G heptyl beta-D-glucopyranoside × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;AMMOMIUM SULFATE, BETA-HEPTYL- D-GLUCOPYRANOSIDE, POTASSIUM PHOSPHATE, pH 5.6 Resolution 2.50 Å R-free 0.310
2 Protein homooligomer Homooligomer Protein × 4 PDB declaration: tetrameric(4) Consistent with protein copy count Chain A; UniProt 1–107 Chain D; UniProt 1–107 Not recorded 858 C32-O-(1-ETHYL-INDOL-5-YL)ASCOMYCIN × 4 B7G heptyl beta-D-glucopyranoside × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;AMMOMIUM SULFATE, BETA-HEPTYL- D-GLUCOPYRANOSIDE, POTASSIUM PHOSPHATE, pH 5.6 Resolution 2.50 Å R-free 0.310
3 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–107 Not recorded 858 C32-O-(1-ETHYL-INDOL-5-YL)ASCOMYCIN × 2 B7G heptyl beta-D-glucopyranoside × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;AMMOMIUM SULFATE, BETA-HEPTYL- D-GLUCOPYRANOSIDE, POTASSIUM PHOSPHATE, pH 5.6 Resolution 2.50 Å R-free 0.310
4 Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain D; UniProt 1–107 Not recorded 858 C32-O-(1-ETHYL-INDOL-5-YL)ASCOMYCIN × 2 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5.6;AMMOMIUM SULFATE, BETA-HEPTYL- D-GLUCOPYRANOSIDE, POTASSIUM PHOSPHATE, pH 5.6 Resolution 2.50 Å R-free 0.310

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 168 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 Author chain D; 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 1qpf

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1qpf
Deposition date deposition_date1999-05-24
Structure title titleFK506 BINDING PROTEIN (12 KDA, HUMAN) COMPLEX WITH L-709,858
Keywords keywordsIMMUNOPHILIN-DRUG COMPLEX, CIS-TRANS ISOMERASE, PEPTIDYL-PROLYL ISOMERASE, ISOMERASE; ISOMERASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier19.45
Radius of gyration Rg (electron density) rg_electron18.97
Forward intensity I(0) i010909200.00
Molecular weight molecular_weight25790.0 kDa
Excluded volume excluded_volume32795 ų
Envelope volume envelope_volume38796 ų
Hydration-shell volume shell_volume17494 ų
Envelope diameter envelope_diameter64.3
Shell Rg shell_rg24.70
Envelope Rg envelope_rg19.08
Shape Rg shape_rg18.95
Total Rg total_rg19.92
Total atoms total_atoms1817
Residues n_residues214
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 dmax62.0
Rg (real space) rg_real19.39
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real1.0910e+07
I(0) uncertainty (real space) i0_real_error1.4770e+05
Rg (reciprocal space) rg_reciprocal19.40
I(0) (reciprocal space) i0_reciprocal10910000.0000
Solution quality estimate total_estimate0.8171
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary21.8
Skewness Skewness skewness0.258
Kurtosis Kurtosis kurtosis-0.440
Angular range angular_range— – 0.4100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha2300000.0000
Real-space data points n_real_points72
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.874; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1qpfa_
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
Domain ID domain_idd1qpfd_
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 (2 domains)

Domain ID domain_id1qpfA00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology50 — Chitinase A; domain 3
Homologous superfamily homologous superfamily40
Domain ID domain_id1qpfD00
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology50 — Chitinase A; domain 3
Homologous superfamily homologous superfamily40

8. Citations (4)

9. Files and Curves (10)