1qls

S100C (S100A11),OR CALGIZZARIN, IN COMPLEX WITH ANNEXIN I N-TERMINUS

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

S100C PROTEIN

SUS SCROFA

UniProt P31950

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 ANNEXIN I × 2 (P04083) CALCIUM ION × 4 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name S111_PIG
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–99; UniProt 1–99

ANNEXIN I

OrganismNot specified

UniProt P04083

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 S100C PROTEIN × 2 (P31950) CALCIUM ION × 4 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ANX1_HUMAN
Isoform —
PDB entities 2
Chains and sequence ranges Author chain D; PDBConstruct 2–12; UniProt 1–11

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_id1qls
Deposition date deposition_date1999-09-15
Structure title titleS100C (S100A11),OR CALGIZZARIN, IN COMPLEX WITH ANNEXIN I N-TERMINUS
Keywords keywords;METAL-BINDING PROTEIN/INHIBITOR, S100 FAMILY, EF-HAND PROTEIN, COMPLEX (LIGAND-ANNEXIN), LIGAND OF ANNEXIN II, CALCIUM/PHOSPHOLIPID BINDING PROTEIN, METAL-BINDING PROTEIN-INHIBITOR complex ;; METAL-BINDING PROTEIN/INHIBITOR
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.

1qls__assembly_1__model_1

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

Download this curve (.dat)

1qls__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1qls__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)18.79 Å
Rg (electron density)17.58 Å
Total Rg18.53 Å
Atom count1684
Residues212
Excluded volume30257 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1qls__assembly_1__model_1 tetrameric (4) 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 (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qlsa_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.2 — S100 proteins

CATH v4.4 (1 domains)

Domain ID domain_id1qlsA00
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)