1qng

Plasmodium falciparum Cyclophilin complexed with Cyclosporin A

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

PEPTIDYL-PROLYL CIS-TRANS ISOMERASE

PLASMODIUM FALCIPARUM

UniProt Q25756

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 CYCLOSPORIN A × 1 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q25756
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–170; UniProt 2–171

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1qng
Deposition date deposition_date1999-10-14
Structure title titlePlasmodium falciparum Cyclophilin complexed with Cyclosporin A
Keywords keywordsISOMERASE-IMMUNOSUPPRESSANT COMPLEX, CYCLOPHILIN-CYCLOSPORIN COMPLEX, CYCLOSPORIN A, IMMUNOSUPPRESSANT, CYCLOPHILIN; ISOMERASE/IMMUNOSUPPRESSANT
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1qng__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1qng__assembly_1__model_1 | I(q)

10-2 10-1 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1qng__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg(Guinier)15.82 Å
Rg (electron density)14.65 Å
Total Rg15.86 Å
Atom count1399
Residues172
Excluded volume24995 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1qng__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qnga_
Class classb — All beta proteins
Fold Fold foldb.62 — Cyclophilin-like
Superfamily Superfamily superfamilyb.62.1 — Cyclophilin-like
Family Family familyb.62.1.1 — Cyclophilin (peptidylprolyl isomerase)

CATH v4.4 (1 domains)

Domain ID domain_id1qngA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology100 — Cyclophilin
Homologous superfamily homologous superfamily10 — Cyclophilin-like
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7. Citations (2)