2qzd

Fitted structure of SCR4 of DAF into cryoEM density

Method: ELECTRON MICROSCOPY

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

Complement decay-accelerating factor

Homo sapiens

UniProt P08174

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DAF_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–64; UniProt 222–285

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id2qzd
Deposition date deposition_date2007-08-16
Structure title titleFitted structure of SCR4 of DAF into cryoEM density
Keywords keywords;SCR4 of DAF from 1ojv fitted into cryoEM density, Blood group antigen, Complement pathway, Glycoprotein, GPI-anchor, Immune response, Innate immunity, Lipoprotein, Membrane, Sushi, IMMUNE SYSTEM ;; IMMUNE SYSTEM
Experimental Method methodELECTRON MICROSCOPY

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.

2qzd__assembly_1__model_1

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

Download this curve (.dat)

2qzd__assembly_1__model_1 | I(q)

10-2 10-1 104 105 106 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2qzd__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)13.82 Å
Rg (electron density)12.80 Å
Total Rg14.00 Å
Atom count507
Residues65
Excluded volume8760 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2qzd__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd2qzda1
Class classg — Small proteins
Fold Fold foldg.18 — Complement control module/SCR domain
Superfamily Superfamily superfamilyg.18.1 — Complement control module/SCR domain
Family Family familyg.18.1.1 — Complement control module/SCR domain
Domain ID domain_idd2qzda2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

7. Citations (1)