8Q3J | pdb_00008q3j

Crystal structure of mIL-38 in complex with a neutralizing Fab e04 fragment

External Resource: Annotation

IMGT Antibody Annotation
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
C, F	Fab e04, anti-IL-38, neutralizing	VH-CH1	Macaca mulatta (Rhesus monkey), Mus musculus (house mouse)	IGHV3S6401, IGHJ401, IGHG101, IGHG103	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_KAPPA	IMGT (202550-0)
B, E	Fab e04, anti-IL-38, neutralizing	L-KAPPA	Macaca mulatta (Rhesus monkey), Mus musculus (house mouse)	IGKV1-2502, IGKJ101, IGKC*01	V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA	IG	FAB-GAMMA-1_KAPPA	IMGT (202550-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C, F	Heavy Chain	IGHV3	-	interleukin-1 family member 10	SAbDab (2025-12-26)
B, E	Light Chain	IGKV1	Kappa	interleukin-1 family member 10	SAbDab (2025-12-26)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, D	PF00340	Interleukin-1 / 18 (IL1)	Interleukin-1 / 18	This family includes interleukin-1 and interleukin-18.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, F	Fab e04 Heavy Chain (e04 HC)	-	-	-
B, E	Fab e04 Light Chain (e04 LC)	-	-	-
A, D	Interleukin-1 family member 10	protein binding binding interleukin-1 receptor binding signaling receptor binding cytokine receptor binding growth factor receptor binding molecular function activator activity molecular function regulator activity cytokine activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity	response to stimulus defense response response to stress inflammatory response immune response immune system process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle endoplasmic reticulum-Golgi intermediate compartment cytoplasm intracellular membrane-bounded organelle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR000975	Interleukin-1 family	Family
A, D	IPR003297	Interleukin-1 receptor antagonist/Interleukin-36	Family
A, D	IPR008996	Cytokine IL1/FGF	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.