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1zzc

Crystal Structure of CoII HppE in Complex with Tris Buffer

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

hydroxypropylphosphonic acid epoxidase

Streptomyces wedmorensis

UniProt Q56185

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 COBALT (II) ION × 4 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1zz6 1zz7 1zz8 1zz8 1zz9 1zz9 1zzb 1zzc 2bnm 2bnn 2bno 3scf

20 assemblies; showing the first 12

Other homooligomers
1zz8 1zz9

2 assemblies

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q56185_STRWE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–198； UniProt 1–198 Author chain B； PDBConstruct 1–198； UniProt 1–198

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_id1zzc
Deposition date deposition_date2005-06-13
Structure title titleCrystal Structure of CoII HppE in Complex with Tris Buffer
Keywords keywordsMononuclear iron enzyme, Cupin, holo-HppE, OXIDOREDUCTASE; OXIDOREDUCTASE
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.

1zzc__assembly_1__model_1

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

Download this curve (.dat)

1zzc__assembly_1__model_1 | I(q)

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

1zzc__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）29.87 Å
Rg (electron density)28.88 Å
Total Rg29.67 Å
Atom count5276
Residues716
Excluded volume94012 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1zzc__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) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1zzca1
Class classa — All alpha proteins
Fold Fold folda.35 — lambda repressor-like DNA-binding domains
Superfamily Superfamily superfamilya.35.1 — lambda repressor-like DNA-binding domains
Family Family familya.35.1.3 — SinR domain-like
Domain ID domain_idd1zzca2
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.1 — RmlC-like cupins
Family Family familyb.82.1.10 — TM1459-like
Domain ID domain_idd1zzcb1
Class classa — All alpha proteins
Fold Fold folda.35 — lambda repressor-like DNA-binding domains
Superfamily Superfamily superfamilya.35.1 — lambda repressor-like DNA-binding domains
Family Family familya.35.1.3 — SinR domain-like
Domain ID domain_idd1zzcb2
Class classb — All beta proteins
Fold Fold foldb.82 — Double-stranded beta-helix
Superfamily Superfamily superfamilyb.82.1 — RmlC-like cupins
Family Family familyb.82.1.10 — TM1459-like

CATH v4.4 (4 domains)

Domain ID domain_id1zzcA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology260 — 434 Repressor (Amino-terminal Domain)
Homologous superfamily homologous superfamily40 — lambda repressor-like DNA-binding domains
Domain ID domain_id1zzcA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
Domain ID domain_id1zzcB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology260 — 434 Repressor (Amino-terminal Domain)
Homologous superfamily homologous superfamily40 — lambda repressor-like DNA-binding domains
Domain ID domain_id1zzcB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily10 — Jelly Rolls
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7. Citations (1)