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1cea

THE STRUCTURE OF THE NON-COVALENT COMPLEX OF RECOMBINANT KRINGLE 1 DOMAIN OF HUMAN PLASMINOGEN WITH EACA (EPSILON-AMINOCAPROIC ACID)

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

PLASMINOGEN

Homo sapiens

UniProt P00747

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 6-AMINOHEXANOIC ACID × 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 6-AMINOHEXANOIC ACID × 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1b2i 1cea 1cea 1ceb 1ceb 1ddj 1ddj 1ddj 1ddj 1hpj 1hpk 1ki0

44 assemblies; showing the first 12

Homodimer
5hpg

1 assemblies

Homotetramer

None

Other homooligomers
1rjx 1rjx

2 assemblies

Heteromeric or nucleic-acid complex
1bml 1bml 1bml 1bui 1i5k 1l4d 1l4d 1l4d 1l4z 1l4z 2doh 2doi

30 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name PLMN_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–88； UniProt 100–187 Author chain B； PDBConstruct 1–88； UniProt 100–187

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_id1cea
Deposition date deposition_date1995-12-03
Structure title titleTHE STRUCTURE OF THE NON-COVALENT COMPLEX OF RECOMBINANT KRINGLE 1 DOMAIN OF HUMAN PLASMINOGEN WITH EACA (EPSILON-AMINOCAPROIC ACID)
Keywords keywordsSERINE PROTEASE; SERINE PROTEASE
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.

1cea__assembly_1__model_1

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

Download this curve (.dat)

1cea__assembly_1__model_1 | I(q)

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

1cea__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）12.57 Å
Rg (electron density)11.41 Å
Total Rg12.74 Å
Atom count650
Residues80
Excluded volume11226 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1cea__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 1cea__assembly_2__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 (3)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ceaa_
Class classg — Small proteins
Fold Fold foldg.14 — Kringle-like
Superfamily Superfamily superfamilyg.14.1 — Kringle-like
Family Family familyg.14.1.1 — Kringle modules
Domain ID domain_idd1ceab_
Class classg — Small proteins
Fold Fold foldg.14 — Kringle-like
Superfamily Superfamily superfamilyg.14.1 — Kringle-like
Family Family familyg.14.1.1 — Kringle modules

CATH v4.4 (2 domains)

Domain ID domain_id1ceaA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology20 — Plasminogen Kringle 4
Homologous superfamily homologous superfamily10 — Plasminogen Kringle 4
Domain ID domain_id1ceaB00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology20 — Plasminogen Kringle 4
Homologous superfamily homologous superfamily10 — Plasminogen Kringle 4
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7. Citations (4)