1n8s

Structure of the pancreatic lipase-colipase complex

Method: X-RAY DIFFRACTION

1. Protein Identity and Related Structures Protein Identity & Related Structures

Triacylglycerol lipase, pancreatic

OrganismNot specified

UniProt P16233

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 colipase II × 1 (P02703) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name LIPP_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–449; UniProt 17–465

colipase II

OrganismNot specified

UniProt P02703

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 Triacylglycerol lipase, pancreatic × 1 (P16233) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name COL_PIG
Isoform
PDB entities 2
Chains and sequence ranges Author chain C; PDBConstruct 1–95; UniProt 1–95

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id1n8s
Deposition date deposition_date2002-11-21
Structure title titleStructure of the pancreatic lipase-colipase complex
Keywords keywordsHYDROLASE, pancreas; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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.

1n8s__assembly_1__model_1

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

Download this curve (.dat)

1n8s__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.

1n8s__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)27.21 Å
Rg (electron density)26.90 Å
Total Rg27.66 Å
Atom count4131
Residues534
Excluded volume72943 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1n8s__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (2)

6. Fold Classification (SCOP + CATH) 7 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1n8sa1
Class classb — All beta proteins
Fold Fold foldb.12 — Lipase/lipooxygenase domain (PLAT/LH2 domain)
Superfamily Superfamily superfamilyb.12.1 — Lipase/lipooxygenase domain (PLAT/LH2 domain)
Family Family familyb.12.1.2 — Colipase-binding domain
Domain ID domain_idd1n8sa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.19 — Pancreatic lipase, N-terminal domain
Domain ID domain_idd1n8sc1
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.10 — Colipase-like
Family Family familyg.3.10.1 — Colipase-like
Domain ID domain_idd1n8sc2
Class classg — Small proteins
Fold Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
Superfamily Superfamily superfamilyg.3.10 — Colipase-like
Family Family familyg.3.10.1 — Colipase-like

CATH v4.4 (3 domains)

Domain ID domain_id1n8sA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id1n8sA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology60 — Lipoxygenase-1
Homologous superfamily homologous superfamily20 — PLAT/LH2 domain
Domain ID domain_id1n8sC00
Class class2 — Mainly Beta
Architecture architecture10 — Ribbon
Topology topology80 — Lipase, subunit A
Homologous superfamily homologous superfamily10 — Lipase, subunit A

7. Citations (1)