9GIX | pdb_00009gix

Structure of the human mitochondrial pyruvate carrier in the apo-state

External Resource: Annotation

SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: MemProtMD

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C	Heavy Chain	IGHV1	-	mitochondrial pyruvate carrier 2 \| mitochondrial pyruvate carrier 1-like protein	SAbDab (2025-11-28)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF03650	Mitochondrial pyruvate carriers (MPC)	Mitochondrial pyruvate carriers	-	Repeat
A	PF03650	Mitochondrial pyruvate carriers (MPC)	Mitochondrial pyruvate carriers	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	MBP-nanobody,Maltose/maltodextrin-binding periplasmic protein	transporter activity carbohydrate transmembrane transporter activity transmembrane transporter activity oligosaccharide binding binding disaccharide binding carbohydrate binding maltose binding	localization transport carbohydrate transport oligosaccharide transport disaccharide transport establishment of localization maltose transport polysaccharide localization dextrin transport macromolecule localization maltodextrin transmembrane transport polysaccharide transport	ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope ATPase dependent transmembrane transport complex ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery cellular anatomical structure transmembrane transporter complex outer membrane-bounded periplasmic space cell envelope periplasmic space
B	Mitochondrial pyruvate carrier 2	transporter activity pyruvate transmembrane transporter activity monocarboxylic acid transmembrane transporter activity carboxylic acid transmembrane transporter activity transmembrane transporter activity identical protein binding protein binding binding	cellular localization organic anion transport carboxylic acid transmembrane transport carboxylic acid transport transport intracellular transport mitochondrial transmembrane transport establishment of localization transmembrane transport organic acid transport pyruvate transport localization import into the mitochondrion monocarboxylic acid transport pyruvate import into mitochondria cellular localization organic anion transport carboxylic acid transmembrane transport carboxylic acid transport transport intracellular transport mitochondrial transmembrane transport establishment of localization transmembrane transport organic acid transport pyruvate transport localization import into the mitochondrion monocarboxylic acid transport pyruvate import into mitochondria establishment of localization in cell pyruvate transmembrane transport cellular process mitochondrial transport cellular response to stimulus positive regulation of cell communication regulation of localization establishment of protein localization regulation of cellular process nitrogen compound transport response to stimulus positive regulation of establishment of protein localization cell communication carbohydrate homeostasis positive regulation of insulin secretion involved in cellular response to glucose stimulus positive regulation of insulin secretion intracellular protein localization regulation of biological quality regulation of peptide hormone secretion regulation of biological process regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region intracellular glucose homeostasis protein secretion cellular response to oxygen-containing compound regulation of protein secretion regulation of secretion cellular response to carbohydrate stimulus chemical homeostasis response to glucose response to chemical glucose homeostasis positive regulation of protein localization insulin secretion involved in cellular response to glucose stimulus regulation of hormone secretion regulation of protein localization regulation of peptide secretion signaling homeostatic process positive regulation of biological process positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion regulation of secretion by cell secretion by cell positive regulation of hormone secretion response to monosaccharide response to carbohydrate positive regulation of secretion amide transport signal release cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus positive regulation of cellular process positive regulation of peptide secretion regulation of signaling regulation of transport secretion regulation of peptide transport biological regulation regulation of establishment of protein localization export from cell cell-cell signaling response to oxygen-containing compound cellular response to glucose stimulus regulation of protein transport positive regulation of protein secretion peptide transport response to hexose cellular response to chemical stimulus cellular homeostasis positive regulation of transport regulation of cellular localization protein transport regulation of insulin secretion peptide hormone secretion macromolecule localization regulation of insulin secretion involved in cellular response to glucose stimulus hormone transport regulation of cell communication insulin secretion positive regulation of signaling aerobic respiration cellular respiration energy derivation by oxidation of organic compounds oxoacid metabolic process acetyl-CoA metabolic process organic acid metabolic process nucleobase-containing compound metabolic process acyl-CoA metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process acyl-CoA biosynthetic process phosphate-containing compound metabolic process sulfur compound metabolic process small molecule metabolic process amide metabolic process phosphorus metabolic process nucleoside phosphate metabolic process pyruvate metabolic process carboxylic acid metabolic process pyruvate decarboxylation to acetyl-CoA primary metabolic process amide biosynthetic process generation of precursor metabolites and energy nucleobase-containing compound biosynthetic process purine-containing compound metabolic process acetyl-CoA biosynthetic process sulfur compound biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process monocarboxylic acid metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle mitochondrial membrane organelle inner membrane membrane mitochondrial inner membrane organelle envelope mitochondrial envelope organelle membrane mitochondrial protein-containing complex protein-containing complex membrane protein complex inner mitochondrial membrane protein complex nucleus
A	Mitochondrial pyruvate carrier 1-like protein	transporter activity pyruvate transmembrane transporter activity monocarboxylic acid transmembrane transporter activity carboxylic acid transmembrane transporter activity transmembrane transporter activity	cellular localization organic anion transport carboxylic acid transmembrane transport carboxylic acid transport transport intracellular transport mitochondrial transmembrane transport establishment of localization transmembrane transport organic acid transport pyruvate transport localization import into the mitochondrion monocarboxylic acid transport pyruvate import into mitochondria cellular localization organic anion transport carboxylic acid transmembrane transport carboxylic acid transport transport intracellular transport mitochondrial transmembrane transport establishment of localization transmembrane transport organic acid transport pyruvate transport localization import into the mitochondrion monocarboxylic acid transport pyruvate import into mitochondria establishment of localization in cell pyruvate transmembrane transport cellular process mitochondrial transport	membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm membrane-bounded organelle mitochondrial membrane intracellular anatomical structure organelle inner membrane mitochondrion membrane intracellular membrane-bounded organelle mitochondrial inner membrane intracellular organelle organelle envelope cellular anatomical structure organelle mitochondrial envelope cytoplasm organelle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR006060	Maltose/Cyclodextrin ABC transporter, substrate-binding protein	Family
C	IPR006059	Bacterial-type extracellular solute-binding protein	Family
C	IPR006061	Solute-binding family 1, conserved site	Conserved Site
B	IPR005336	Mitochondrial pyruvate carrier	Family
A	IPR005336	Mitochondrial pyruvate carrier	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	Pharos: O95563	astrocytic tumor large cell medulloblastoma malignant glioma osteosarcoma Pick disease primitive neuroectodermal tumor ulcerative colitis atypical teratoid rhabdoid tumor lung cancer medulloblastoma pancreatic ductal adenocarcinoma pilocytic astrocytoma schizophrenia glioblastoma malignant ependymoma astrocytic tumor large cell medulloblastoma malignant glioma osteosarcoma Pick disease primitive neuroectodermal tumor ulcerative colitis atypical teratoid rhabdoid tumor lung cancer medulloblastoma pancreatic ductal adenocarcinoma pilocytic astrocytoma schizophrenia glioblastoma malignant ependymoma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm plasma cell myeloma Sjogren syndrome

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C	MemProtMD	Annotated as membrane protein by MemProtMD

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.