Annotations: 4CN9

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	ZP-N	e4cn9B1	A: alpha arrays	X: Single-stranded left-handed beta-helix	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: ZP-N	ECOD (v295)
B	VWA	e4cn9B2	A: alpha arrays	X: DP domain	H: DP domain	T: DP domain	F: VWA	ECOD (v295)
A	p450	e4cn9A3	A: alpha arrays	X: jelly-roll	H: Double-stranded beta-helix	T: Double-stranded beta-helix	F: p450	ECOD (v295)
A	VWA	e4cn9A2	A: alpha arrays	X: DP domain	H: DP domain	T: DP domain	F: VWA	ECOD (v295)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	von Willebrand factor, type A domain	CATH (4.3.0)
A	3.40.50.410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	von Willebrand factor, type A domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROXIMAL THREAD MATRIX PROTEIN 1	cation binding ion binding binding metal ion binding small molecule binding	-	-

Chains	Accession	Name	Type
A, B	IPR050525	Extracellular Matrix Assembly and Organization	Family
A, B	IPR002035	von Willebrand factor, type A	Domain
A, B	IPR036465	von Willebrand factor A-like domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

4CN9 | pdb_00004cn9