Annotations: 9UK5

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth H]	Heavy Chain	IGHV5	-	interleukin 31	SAbDab (2026-06-05)
C [auth L]	Light Chain	IGKV6	Kappa	interleukin 31	SAbDab (2026-06-05)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Interleukin 31	-	-	-
B [auth H]	Antibody-H	-	-	-
C [auth L]	Antibody-L	-	-	-

Chains	Accession	Name	Type
A	IPR027987	Interleukin-31	Family

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.

9UK5 | pdb_00009uk5