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1pzr

Structure of fused docking domains from the erythromycin polyketide synthase (DEBS), a model for the interaction between DEBS2 and DEBS3: the B domain

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

Erythronolide synthase

Saccharopolyspora erythraea

UniProt Q03132

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer
1pzq 3el6

2 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
11sz 1pzr 6c9u 7m7e 7s6c 7s6d

6 assemblies

View Construct and Data Evidence
UniProt name ERY2_SACER
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–20； UniProt 3548–3567 Author chain B； PDBConstruct 1–20； UniProt 3548–3567

Erythronolide synthase

Saccharopolyspora erythraea

UniProt Q03133

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Insufficient information Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
5d3k 5d3z

2 assemblies

Homodimer
1kez 1kez 1mo2

3 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1pzr 6mlk 7m7e 7m7f 7m7g 7m7h 8tjn

7 assemblies

View Construct and Data Evidence
UniProt name ERY3_SACER
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 23–60； UniProt 2–39 Author chain B； PDBConstruct 23–60； UniProt 2–39

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_id1pzr
Deposition date deposition_date2003-07-14
Structure title titleStructure of fused docking domains from the erythromycin polyketide synthase (DEBS), a model for the interaction between DEBS2 and DEBS3: the B domain
Keywords keywordsFOUR HELIX BUNDLE, HOMODIMER, TRANSFERASE; TRANSFERASE
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.

1pzr__assembly_1__model_2

Assembly 1 · Model 2 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1pzr__assembly_1__model_2 | I(q)

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

1pzr__assembly_1__model_2 | 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）17.40 Å
Rg (electron density)15.90 Å
Total Rg16.95 Å
Atom count1880
Residues120
Excluded volume16582 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1pzr__assembly_1__model_1 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1pzr__assembly_1__model_2 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1pzr__assembly_1__model_3 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1pzr__assembly_1__model_4 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1pzr__assembly_1__model_5 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1pzr__assembly_1__model_6 dimeric （2） Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1pzr__assembly_1__model_7 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 (1)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1pzra_
Class classa — All alpha proteins
Fold Fold folda.38 — HLH-like
Superfamily Superfamily superfamilya.38.2 — Docking domain B of the erythromycin polyketide synthase (DEBS)
Family Family familya.38.2.1 — Docking domain B of the erythromycin polyketide synthase (DEBS)
Domain ID domain_idd1pzrb_
Class classa — All alpha proteins
Fold Fold folda.38 — HLH-like
Superfamily Superfamily superfamilya.38.2 — Docking domain B of the erythromycin polyketide synthase (DEBS)
Family Family familya.38.2.1 — Docking domain B of the erythromycin polyketide synthase (DEBS)

CATH v4.4 (2 domains)

Domain ID domain_id1pzrA00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology40 — Histone, subunit A
Homologous superfamily homologous superfamily10 —
Domain ID domain_id1pzrB00
Class class6 — Special
Architecture architecture10 — Helix non-globular
Topology topology40 — Histone, subunit A
Homologous superfamily homologous superfamily10 —
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7. Citations (1)