3W21 | pdb_00003w21

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Kunitz_BPTI	e3w21B1	A: a/b three-layered sandwiches	X: C-terminal domain in some PLP-dependent transferases	H: C-terminal domain in some PLP-dependent transferases	T: C-terminal domain in some PLP-dependent transferases	F: Kunitz_BPTI	ECOD (v294.1)
A	Kunitz_BPTI	e3w21A1	A: a/b three-layered sandwiches	X: C-terminal domain in some PLP-dependent transferases	H: C-terminal domain in some PLP-dependent transferases	T: C-terminal domain in some PLP-dependent transferases	F: Kunitz_BPTI	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.120.620	Mainly Beta	Sandwich	Jelly Rolls	q2cbj1_9rhob like domain	CATH (4.3.0)
A	2.60.120.620	Mainly Beta	Sandwich	Jelly Rolls	q2cbj1_9rhob like domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Putative uncharacterized protein	cation binding ion binding binding metal ion binding small molecule binding	-	-

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.

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