Annotations: 9UK5

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth L]	Cas9_REC	e9uk5L1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: Cas9_REC	ECOD (v295.2)
B [auth H]	DNA_ligase_A_N	e9uk5H1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: DNA_ligase_A_N	ECOD (v295.2)

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV6	Kappa	interleukin 31	SAbDab (2026-09-25)
B [auth H]	Heavy Chain	IGHV5	-	interleukin 31	SAbDab (2026-09-25)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth L]	Antibody-L	-	-	-
B [auth H]	Antibody-H	-	-	-
A	Interleukin 31	molecular function activator activity molecular function regulator activity cytokine activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular process cellular response to cytokine stimulus cellular response to stimulus regulation of biological process regulation of cellular process cell surface receptor signaling pathway response to stimulus signaling biological regulation response to cytokine cytokine-mediated signaling pathway cell communication response to peptide response to chemical cellular process cellular response to cytokine stimulus signal transduction	cellular anatomical structure extracellular region