1qqy

X-RAY CRYSTAL STRUCTURE ANALYSIS OF CANINE MILK LYSOZYME (APO-TYPE)

Method: X-RAY DIFFRACTION

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

LYSOZYME C

Canis lupus familiaris

UniProt P81708

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name LYSC1_CANFA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–130; UniProt 1–129

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_id1qqy
Deposition date deposition_date1999-06-09
Structure title titleX-RAY CRYSTAL STRUCTURE ANALYSIS OF CANINE MILK LYSOZYME (APO-TYPE)
Keywords keywordsAPO-TYPE PROTEIN, CALCIUM BINDING LYSOZYME, ENZYME, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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.

1qqy__assembly_1__model_1

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

Download this curve (.dat)

1qqy__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.

1qqy__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)15.21 Å
Rg (electron density)13.95 Å
Total Rg15.15 Å
Atom count1018
Residues130
Excluded volume17929 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1qqy__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 (2)

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1qqya_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.2 — Lysozyme-like
Superfamily Superfamily superfamilyd.2.1 — Lysozyme-like
Family Family familyd.2.1.2 — C-type lysozyme

CATH v4.4 (1 domains)

Domain ID domain_id1qqyA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology530 — Lysozyme
Homologous superfamily homologous superfamily10

7. Citations (2)