Annotations: 6DZ6

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	SIK1	e6dz6B1	A: alpha bundles	X: C-terminal helical domain of alanine-tRNA ligase (From Homology)	H: C-terminal helical domain of alanine-tRNA ligase	T: Eukaryotic C-Ala helical domain	F: SIK1	ECOD (1.6)
A	SIK1	e6dz6A1	A: alpha bundles	X: C-terminal helical domain of alanine-tRNA ligase (From Homology)	H: C-terminal helical domain of alanine-tRNA ligase	T: Eukaryotic C-Ala helical domain	F: SIK1	ECOD (1.6)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Apolipoprotein C-I	fatty acid binding organic acid binding binding ion binding anion binding lipid binding carboxylic acid binding monocarboxylic acid binding small molecule binding enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity lipase inhibitor activity fatty acid binding organic acid binding binding ion binding anion binding lipid binding carboxylic acid binding monocarboxylic acid binding small molecule binding enzyme regulator activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity lipase inhibitor activity cation binding phosphatidylcholine binding phospholipid binding quaternary ammonium group binding phospholipase inhibitor activity enzyme activator activity molecular function activator activity phosphatidylcholine-sterol O-acyltransferase activator activity	catabolic process regulation of cellular process phospholipid catabolic process regulation of lipid metabolic process glycerophospholipid metabolic process glycerolipid catabolic process negative regulation of biological process organophosphate catabolic process negative regulation of phosphate metabolic process regulation of primary metabolic process phospholipid metabolic process negative regulation of phosphatidylcholine catabolic process phosphate-containing compound metabolic process negative regulation of cellular process phosphatidylcholine metabolic process catabolic process regulation of cellular process phospholipid catabolic process regulation of lipid metabolic process glycerophospholipid metabolic process glycerolipid catabolic process negative regulation of biological process organophosphate catabolic process negative regulation of phosphate metabolic process regulation of primary metabolic process phospholipid metabolic process negative regulation of phosphatidylcholine catabolic process phosphate-containing compound metabolic process negative regulation of cellular process phosphatidylcholine metabolic process phosphorus metabolic process negative regulation of lipid catabolic process negative regulation of catabolic process regulation of phospholipid catabolic process regulation of biological process lipid catabolic process negative regulation of metabolic process biological regulation regulation of phosphatidylcholine metabolic process regulation of phospholipid metabolic process primary metabolic process regulation of catabolic process regulation of lipid catabolic process negative regulation of phospholipid metabolic process phosphatidylcholine catabolic process organophosphate metabolic process regulation of phosphatidylcholine catabolic process negative regulation of phosphorus metabolic process glycerolipid metabolic process metabolic process cellular process glycerophospholipid catabolic process regulation of phosphorus metabolic process regulation of metabolic process negative regulation of lipid metabolic process lipid metabolic process multicellular organismal process very-low-density lipoprotein particle clearance plasma lipoprotein particle clearance regulation of plasma lipoprotein particle levels localization transport macromolecule localization phospholipid transport lipid localization lipid transport establishment of localization organophosphate ester transport phospholipid efflux chemical homeostasis homeostatic process triglyceride homeostasis acylglycerol homeostasis lipid homeostasis plasma lipoprotein particle organization protein-containing complex organization protein-containing complex remodeling protein-lipid complex organization plasma lipoprotein particle remodeling cellular component organization protein-lipid complex remodeling cellular component organization or biogenesis secondary alcohol metabolic process sterol metabolic process steroid metabolic process cholesterol metabolic process alcohol metabolic process small molecule metabolic process neutral lipid metabolic process negative regulation of triglyceride metabolic process regulation of triglyceride metabolic process triglyceride catabolic process triglyceride metabolic process neutral lipid catabolic process negative regulation of triglyceride catabolic process acylglycerol catabolic process acylglycerol metabolic process regulation of triglyceride catabolic process regulation of localization import into cell regulation of cellular component organization negative regulation of transport negative regulation of endocytosis vesicle-mediated transport regulation of endocytosis negative regulation of cellular component organization negative regulation of receptor-mediated endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport endocytosis receptor-mediated endocytosis negative regulation of very-low-density lipoprotein particle clearance negative regulation of lipoprotein particle clearance regulation of lipoprotein particle clearance regulation of multicellular organismal process regulation of very-low-density lipoprotein particle clearance negative regulation of multicellular organismal process negative regulation of sterol transport regulation of lipid transport organic hydroxy compound transport negative regulation of lipid localization sterol transport regulation of cholesterol transport regulation of sterol transport negative regulation of lipid transport negative regulation of cholesterol transport regulation of lipid localization cholesterol transport cholesterol efflux lipoprotein metabolic process protein metabolic process macromolecule metabolic process very-low-density lipoprotein particle assembly cellular component biogenesis cellular component assembly protein-containing complex assembly plasma lipoprotein particle assembly protein-lipid complex assembly high-density lipoprotein particle remodeling chylomicron remnant clearance triglyceride-rich lipoprotein particle clearance negative regulation of small molecule metabolic process oxoacid metabolic process ketone metabolic process lipid biosynthetic process organic acid metabolic process organic acid biosynthetic process negative regulation of lipid biosynthetic process carboxylic acid biosynthetic process regulation of small molecule metabolic process negative regulation of fatty acid biosynthetic process regulation of biosynthetic process fatty acid metabolic process negative regulation of fatty acid metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process carboxylic acid metabolic process fatty acid biosynthetic process regulation of ketone metabolic process biosynthetic process negative regulation of biosynthetic process regulation of fatty acid metabolic process regulation of fatty acid biosynthetic process regulation of lipid biosynthetic process monocarboxylic acid metabolic process	protein-containing complex cellular anatomical structure extracellular region plasma lipoprotein particle high-density lipoprotein particle extracellular space lipoprotein particle protein-lipid complex chylomicron very-low-density lipoprotein particle triglyceride-rich plasma lipoprotein particle membrane-bounded organelle intracellular organelle intracellular anatomical structure protein-containing complex cellular anatomical structure extracellular region plasma lipoprotein particle high-density lipoprotein particle extracellular space lipoprotein particle protein-lipid complex chylomicron very-low-density lipoprotein particle triglyceride-rich plasma lipoprotein particle membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR043081	Apolipoprotein C-I domain superfamily	Homologous Superfamily
A, B	IPR006781	Apolipoprotein C-I	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P02654	Alzheimer disease congestive heart failure Heart Failure, Right-Sided invasive ductal breast carcinoma Lewy body dementia lung carcinoma metabolic syndrome X abdominal aortic aneurysm nasopharyngeal carcinoma adrenal cortex carcinoma oligodendroglioma astrocytic tumor vascular dementia cerebrovascular disorder diabetes mellitus Alzheimer disease congestive heart failure Heart Failure, Right-Sided invasive ductal breast carcinoma Lewy body dementia lung carcinoma metabolic syndrome X abdominal aortic aneurysm nasopharyngeal carcinoma adrenal cortex carcinoma oligodendroglioma astrocytic tumor vascular dementia cerebrovascular disorder diabetes mellitus glioblastoma heart disease IgA glomerulonephritis large cell medulloblastoma lung adenocarcinoma malignant glioma acute myeloid leukemia non-alcoholic fatty liver disease age-related macular degeneration psoriasis breast cancer wet macular degeneration chronic obstructive pulmonary disease ductal breast carcinoma in situ head and neck cancer heart failure interstitial cystitis lung cancer malignant mesothelioma myocardial infarction adenoma non-small cell lung carcinoma subependymal giant cell astrocytoma breast carcinoma esophageal adenocarcinoma

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.