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1w27

Phenylalanine ammonia-lyase (PAL) from Petroselinum crispum

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

PHENYLALANINE AMMONIA-LYASE 1

PETROSELINUM CRISPUM

UniProt P24481

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 2,3-DIHYDROXY-1,4-DITHIOBUTANE × 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1w27 6f6t 6h2o 6hqf 6rgs

5 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name PAL1_PETCR
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–201； UniProt 1–201 Author chain A； PDBConstruct 202–202； UniProt 202–204 Author chain A； PDBConstruct 203–714； UniProt 205–716 Author chain B； PDBConstruct 1–201； UniProt 1–201 Author chain B； PDBConstruct 202–202； UniProt 202–204 Author chain B； PDBConstruct 203–714； UniProt 205–716

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_id1w27
Deposition date deposition_date2004-06-29
Structure title titlePhenylalanine ammonia-lyase (PAL) from Petroselinum crispum
Keywords keywordsLYASE, PHENYLPROPANOID METABOLISM, MIO; LYASE
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.

1w27__assembly_1__model_1

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

Download this curve (.dat)

1w27__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1w27__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）42.11 Å
Rg (electron density)41.52 Å
Total Rg41.88 Å
Atom count21184
Residues2756
Excluded volume378150 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1w27__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 (3)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1w27a_
Class classa — All alpha proteins
Fold Fold folda.127 — L-aspartase-like
Superfamily Superfamily superfamilya.127.1 — L-aspartase-like
Family Family familya.127.1.2 — HAL/PAL-like
Domain ID domain_idd1w27b_
Class classa — All alpha proteins
Fold Fold folda.127 — L-aspartase-like
Superfamily Superfamily superfamilya.127.1 — L-aspartase-like
Family Family familya.127.1.2 — HAL/PAL-like

CATH v4.4 (6 domains)

Domain ID domain_id1w27A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Fumarase/aspartase (N-terminal domain)
Domain ID domain_id1w27A02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Fumarase/aspartase (Central domain)
Domain ID domain_id1w27A03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology274 — Enzyme I; Chain A, domain 2
Homologous superfamily homologous superfamily20 — Phenylalanine ammonia-lyase 1; domain 3
Domain ID domain_id1w27B01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology275 — Fumarase C; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Fumarase/aspartase (N-terminal domain)
Domain ID domain_id1w27B02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology200 — Fumarase C; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Fumarase/aspartase (Central domain)
Domain ID domain_id1w27B03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology274 — Enzyme I; Chain A, domain 2
Homologous superfamily homologous superfamily20 — Phenylalanine ammonia-lyase 1; domain 3
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7. Citations (1)