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1mkv

CARBOXYLIC ESTER HYDROLASE COMPLEX (PLA2 + TRANSITION STATE ANALOG COMPLEX)

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

PHOSPHOLIPASE A2

Bos taurus

UniProt P00593

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 CALCIUM ION × 2 1-O-OCTYL-2-HEPTYLPHOSPHONYL-SN-GLYCERO-3-PHOSPHOETHANOLAMINE × 2 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1bp2 1bvm 1c74 1g4i 1gh4 1kvw 1kvx 1mks 1mku 1o2e 1o3w 1une

25 assemblies; showing the first 12

Homodimer
1bpq 1ceh 1fdk 1irb 1kvy 1mkt 1mkv 2bpp

8 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name PA21B_BOVIN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–123； UniProt 23–145

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_id1mkv
Deposition date deposition_date1997-09-13
Structure title titleCARBOXYLIC ESTER HYDROLASE COMPLEX (PLA2 + TRANSITION STATE ANALOG COMPLEX)
Keywords keywordsHYDROLASE, ENZYME, CARBOXYLIC ESTER HYDROLASE; HYDROLASE
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.

1mkv__assembly_1__model_1

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

Download this curve (.dat)

1mkv__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.

1mkv__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）22.48 Å
Rg (electron density)22.19 Å
Total Rg22.82 Å
Atom count1978
Residues246
Excluded volume34847 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1mkv__assembly_1__model_1 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 (4)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1mkva_
Class classa — All alpha proteins
Fold Fold folda.133 — Phospholipase A2, PLA2
Superfamily Superfamily superfamilya.133.1 — Phospholipase A2, PLA2
Family Family familya.133.1.2 — Vertebrate phospholipase A2

CATH v4.4 (1 domains)

Domain ID domain_id1mkvA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology90 — Phospholipase A2
Homologous superfamily homologous superfamily10 — Phospholipase A2 domain
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7. Citations (6)