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2w9e

Structure of ICSM 18 (anti-Prp therapeutic antibody) Fab fragment complexed with human Prp fragment 119-231

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

MAJOR PRION PROTEIN

HOMO SAPIENS

UniProt P04156

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 ICSM 18-ANTI-PRP THERAPEUTIC FAB HEAVY CHAIN × 1 ICSM 18-ANTI-PRP THERAPEUTIC FAB LIGHT CHAIN × 1 SULFATE ION × 1 water × 3 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1fkc 1fo7 1h0l 1hjm 1hjn 1oeh 1oei 1qlx 1qlz 1qm0 1qm1 1qm2

43 assemblies; showing the first 12

Homodimer
1i4m 3haf 3heq 3her 3hes 3hj5 3hjx 3hjx 3md4 3md5

10 assemblies

Homotetramer
6du9

1 assemblies

Other homooligomers
3nhc 3nhd 3nvf 4e1h 4e1i 6lni 6pq5 6pqa 6uur 7dwv 7rl4 7umq

13 assemblies; showing the first 12

Heteromeric or nucleic-acid complex
2w9e 4dgi 4kml 4n9o 6suz 6sv2

6 assemblies

View Construct and Data Evidence
UniProt name PRIO_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–113； UniProt 119–231

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_id2w9e
Deposition date deposition_date2009-01-23
Structure title titleStructure of ICSM 18 (anti-Prp therapeutic antibody) Fab fragment complexed with human Prp fragment 119-231
Keywords keywordsFAB, PRP, PRION, MEMBRANE, GPI-ANCHOR, LIPOPROTEIN, GOLGI APPARATUS, DISEASE MUTATION, IMMUNE SYSTEM, GLYCOPROTEIN, CELL MEMBRANE; IMMUNE SYSTEM
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.

2w9e__assembly_1__model_1

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

Download this curve (.dat)

2w9e__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.

2w9e__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）29.91 Å
Rg (electron density)29.64 Å
Total Rg30.11 Å
Atom count4082
Residues526
Excluded volume71735 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2w9e__assembly_1__model_1 trimeric （3） 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) 9 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd2w9ea_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.6 — Prion-like
Superfamily Superfamily superfamilyd.6.1 — Prion-like
Family Family familyd.6.1.1 — Prion-like
Domain ID domain_idd2w9eh_
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.1 — V set domains (antibody variable domain-like)
Domain ID domain_idd2w9el1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2w9el2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (5 domains)

Domain ID domain_id2w9eA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology790 — Major Prion Protein
Homologous superfamily homologous superfamily10 — Prion/Doppel protein, beta-ribbon domain
Domain ID domain_id2w9eH01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2w9eH02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2w9eL01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2w9eL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
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7. Citations (1)