Annotations: 7RUG

Human SERINC3-DeltaICL4

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth L]	AAA_lid_RFC1	e7rugL1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: AAA_lid_RFC1	ECOD (v295.2)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Heavy Chain	IGHV3	-	serine incorporator 3	SAbDab (2026-09-11)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Serine incorporator 3	lipid carrier activity transporter activity phospholipid scramblase activity intramembrane lipid carrier activity molecular carrier activity	biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to virus immune system process defense response to other organism response to stress innate immune response antiviral innate immune response biological process involved in interspecies interaction between organisms response to stimulus immune response response to other organism defense response defense response to symbiont response to external stimulus response to biotic stimulus defense response to virus immune system process defense response to other organism response to stress innate immune response antiviral innate immune response response to external biotic stimulus response to virus proteinogenic amino acid metabolic process oxoacid metabolic process carboxylic acid metabolic process amino acid metabolic process primary metabolic process metabolic process cellular process small molecule metabolic process L-serine metabolic process membrane organization phospholipid translocation transport biological regulation lipid localization phospholipid transport lipid transport lipid translocation establishment of localization regulation of membrane lipid distribution plasma membrane phospholipid scrambling cellular component organization localization plasma membrane organization macromolecule localization cellular component organization or biogenesis regulation of biological quality endomembrane system organization organophosphate ester transport	cellular anatomical structure intracellular anatomical structure perinuclear region of cytoplasm cytoplasm cell periphery plasma membrane membrane membrane-bounded organelle Golgi membrane Golgi apparatus intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle cellular anatomical structure intracellular anatomical structure perinuclear region of cytoplasm cytoplasm cell periphery plasma membrane membrane membrane-bounded organelle Golgi membrane Golgi apparatus intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle organelle organelle membrane
B [auth L]	SiA	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR005016	Serine incorporator/TMS membrane protein	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: Q13530	prostate cancer astrocytic tumor glioblastoma malignant glioma myopathy plasma cell myeloma Prostatic Neoplasms tuberculosis atypical teratoid rhabdoid tumor large cell medulloblastoma medulloblastoma osteosarcoma primitive neuroectodermal tumor psoriasis ulcerative colitis prostate cancer astrocytic tumor glioblastoma malignant glioma myopathy plasma cell myeloma Prostatic Neoplasms tuberculosis atypical teratoid rhabdoid tumor large cell medulloblastoma medulloblastoma osteosarcoma primitive neuroectodermal tumor psoriasis ulcerative colitis gallbladder disease lung adenocarcinoma metabolic syndrome X ovarian cancer rheumatoid arthritis

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A	OPM	Transmembrane	Alpha-helical polytopic	Serine incorporator (SERINC)	Serine incorporator (SERINC)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A	PDBTM	Annotated as membrane protein by PDBTM

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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.