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6unn

The crystal structure of 4-methoxycinnamic acid-bound CYP199A4

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

CYP199A4

Rhodopseudomonas palustris

UniProt Q2IU02

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 PROTOPORPHYRIN IX CONTAINING FE × 1 (E)-3-(4-methoxyphenyl)acrylic acid × 1 CHLORIDE ION × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
4dnz 4dnz 4dnz 4dnz 4do1 4do1 4do1 4do1 4egm 4egm 4egm 4egm

119 assemblies; showing the first 12

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q2IU02_RHOP2
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–410； UniProt 1–410

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_id6unn
Deposition date deposition_date2019-10-13
Structure title titleThe crystal structure of 4-methoxycinnamic acid-bound CYP199A4
Keywords keywordsenzyme, biocatalysis, bioengineering, 4-methoxycinnamic acid, P450, substrate, metabolism, 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.

6unn__assembly_1__model_1

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

Download this curve (.dat)

6unn__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.

6unn__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）21.46 Å
Rg (electron density)20.31 Å
Total Rg21.23 Å
Atom count3078
Residues393
Excluded volume54681 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 6unn__assembly_1__model_1 monomeric （1） 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 (5)

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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd6unna_
Class classa — All alpha proteins
Fold Fold folda.104 — Cytochrome P450
Superfamily Superfamily superfamilya.104.1 — Cytochrome P450
Family Family familya.104.1.0 — automated matches
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7. Citations (1)