6H02 | pdb_00006h02

Crystal structure of human Mediator subunit MED23

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d6h02b_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Lama glama ) [TaxId: 9844 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	TPR_7, TPR_10, TPR_12, SNAP	e6h02B1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: ADP-ribosylation	T: ADP-ribosylation	F: TPR_7, TPR_10, TPR_12, SNAP	ECOD (v294.1)
A	Med23	e6h02A1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: beta-helix of amnionless (AMN) extracellular domain	T: beta-helix of amnionless (AMN) extracellular domain	F: Med23	ECOD (v294.1)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B	Heavy Chain	IGHV1	-	mediator of rna polymerase ii transcription subunit 23	SAbDab (2026-04-10)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF11573	Mediator complex subunit 23 (Med23)	Mediator complex subunit 23	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B	LAMA nanobody NB106	-	-	-
A	Mediator of RNA polymerase II transcription subunit 23	transcription coactivator activity transcription regulator activity transcription coregulator activity	regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription positive regulation of metabolic process regulation of DNA-templated transcription initiation regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process regulation of cellular process positive regulation of DNA-templated transcription positive regulation of biological process RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process DNA-templated transcription positive regulation of metabolic process regulation of DNA-templated transcription initiation regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process transcription initiation at RNA polymerase II promoter positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II regulation of biological process positive regulation of transcription initiation by RNA polymerase II biological regulation primary metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression positive regulation of transcription by RNA polymerase II macromolecule biosynthetic process nucleic acid metabolic process DNA-templated transcription initiation positive regulation of DNA-templated transcription initiation positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process regulation of transcription initiation by RNA polymerase II cellular process metabolic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription macromolecule metabolic process regulation of metabolic process transcription preinitiation complex assembly cellular component organization cellular component biogenesis protein-DNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis protein-containing complex organization protein-DNA complex assembly RNA polymerase II preinitiation complex assembly positive regulation of locomotion regulation of cell motility regulation of lymphocyte migration positive regulation of cell migration positive regulation of T cell extravasation positive regulation of cell motility regulation of cell migration cellular extravasation positive regulation of mononuclear cell migration regulation of T cell extravasation cell migration regulation of immune system process cell motility regulation of mononuclear cell migration positive regulation of immune system process locomotion positive regulation of lymphocyte migration T cell extravasation regulation of leukocyte migration positive regulation of T cell migration lymphocyte migration positive regulation of leukocyte migration leukocyte migration immune system process regulation of locomotion regulation of T cell migration mononuclear cell migration T cell migration regulation of cellular extravasation positive regulation of cellular extravasation positive regulation of gene expression transcription elongation by RNA polymerase II positive regulation of transcription elongation by RNA polymerase II positive regulation of DNA-templated transcription, elongation regulation of DNA-templated transcription elongation regulation of transcription elongation by RNA polymerase II DNA-templated transcription elongation	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure core mediator complex nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle mediator complex membrane-enclosed lumen RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure core mediator complex nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure organelle mediator complex membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR021629	Mediator complex, subunit Med23	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9ULK4	intellectual disability, autosomal recessive 18 intellectual disability astrocytic tumor breast cancer large cell medulloblastoma oligodendroglioma pituitary cancer atypical teratoid rhabdoid tumor malignant ependymoma osteosarcoma tuberculosis autosomal recessive non-syndromic intellectual disability medulloblastoma ovarian cancer

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.