1jfk

MINIMUM ENERGY REPRESENTATIVE STRUCTURE OF A CALCIUM BOUND EF-HAND PROTEIN FROM ENTAMOEBA HISTOLYTICA

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

CALCIUM-BINDING PROTEIN

Entamoeba histolytica

UniProt P38505

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 CALCIUM ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CALBP_ENTHI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–134; UniProt 1–134

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_id1jfk
Deposition date deposition_date2001-06-21
Structure title titleMINIMUM ENERGY REPRESENTATIVE STRUCTURE OF A CALCIUM BOUND EF-HAND PROTEIN FROM ENTAMOEBA HISTOLYTICA
Keywords keywordsEF-HAND, HELIX-LOOP-HELIX, CALCIUM BINDING PROTEIN, ENTAMOEBA HISTOLYTICA, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodSOLUTION NMR
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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.

1jfk__assembly_1__model_1

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

Download this curve (.dat)

1jfk__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.

1jfk__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)18.70 Å
Rg (electron density)17.53 Å
Total Rg18.49 Å
Atom count2096
Residues134
Excluded volume19013 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1jfk__assembly_1__model_1 monomeric (1) 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 (2)

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1jfka_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like

CATH v4.4 (2 domains)

Domain ID domain_id1jfkA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
Domain ID domain_id1jfkA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
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7. Citations (1)