Annotations: 4FBS

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	NTD of spidroin-like	8052370	3002108	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Bcl-2,BH4	e4fbsA2	A: beta barrels	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: Bcl-2,BH4	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.274.70	Mainly Alpha	Orthogonal Bundle	Enzyme I	Chain A, domain 2	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Major ampullate spidroin 1	identical protein binding protein binding binding	-	-

Chains	Accession	Name	Type
A	IPR038243	Spidroin, N-terminal domain superfamily	Homologous Superfamily
A	IPR031913	Spidroin, N-terminal	Domain

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.

4FBS | pdb_00004fbs