Annotations: 7P2Q

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00717	Peptidase S24-like (Peptidase_S24)	Peptidase S24-like	-	Domain
B	PF04573	Signal peptidase subunit (SPC22)	Signal peptidase subunit	-	Family
C	PF06703	Microsomal signal peptidase 25 kDa subunit (SPC25) (SPC25)	Microsomal signal peptidase 25 kDa subunit (SPC25)	-	Family
D	PF06645	Microsomal signal peptidase 12 kDa subunit (SPC12) (SPC12)	Microsomal signal peptidase 12 kDa subunit (SPC12)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Signal peptidase complex catalytic subunit SEC11C	peptidase activity catalytic activity, acting on a protein serine hydrolase activity serine-type peptidase activity hydrolase activity serine-type endopeptidase activity catalytic activity endopeptidase activity	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process peptide metabolic process	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane
B	Signal peptidase complex subunit 3	-	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process peptide metabolic process viral gene expression viral protein processing viral process protein localization establishment of protein localization cellular localization protein targeting establishment of localization localization establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle establishment of protein localization to endoplasmic reticulum protein localization to endoplasmic reticulum protein targeting to ER	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane
C	Signal peptidase complex subunit 2	-	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process peptide metabolic process protein localization establishment of protein localization cellular localization protein targeting establishment of localization localization establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle establishment of protein localization to endoplasmic reticulum protein localization to endoplasmic reticulum protein targeting to ER	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane
D	Signal peptidase complex subunit 1	-	organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process signal peptide processing primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process biosynthetic process proteolysis organic substance biosynthetic process protein processing metabolic process cellular process protein metabolic process macromolecule metabolic process peptide metabolic process viral gene expression viral protein processing viral process protein localization establishment of protein localization cellular localization protein targeting establishment of localization localization establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle establishment of protein localization to endoplasmic reticulum protein localization to endoplasmic reticulum protein targeting to ER virion assembly viral life cycle	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex organelle subcompartment peptidase complex membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle signal peptidase complex organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR019758	Peptidase S26A, signal peptidase I, conserved site	Conserved Site
A	IPR015927	Peptidase S24/S26A/S26B/S26C	Domain
A	IPR001733	Peptidase S26B	Family
A	IPR019533	Peptidase S26	Domain
A	IPR036286	LexA/Signal peptidase-like superfamily	Homologous Superfamily
A	IPR019756	Peptidase S26A, signal peptidase I, serine active site	Active Site
B	IPR007653	Signal peptidase complex subunit 3	Family
C	IPR009582	Signal peptidase complex subunit 2	Family
D	IPR009542	Signal peptidase complex subunit 1	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9BY50	acute myeloid leukemia interstitial cystitis medulloblastoma pancreatic ductal adenocarcinoma ulcerative colitis Crohn disease lung carcinoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm exocrine pancreatic carcinoma malignant ependymoma ovarian cancer prostate carcinoma
B	Pharos: P61009	breast cancer ductal breast carcinoma in situ osteosarcoma pituitary cancer Sjogren syndrome Crohn disease interstitial cystitis ovarian cancer plasma cell myeloma ulcerative colitis cutaneous lupus erythematosus invasive ductal breast carcinoma pancreatic ductal adenocarcinoma psoriasis
D	Pharos: Q9Y6A9	attention deficit hyperactivity disorder, inattentive type breast cancer osteoarthritis autism spectrum disorder dermatomyositis ovarian cancer bipolar disorder endogenous depression pancreatic ductal adenocarcinoma

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D	OPM				Signal peptidase complex

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Intramembrane Proteases	Signal Peptidase Complex Paralog A (SPC-A)

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 R01GM133198.