Collated Gene Ontology terms

Biological process: transferase activity(2025) glycosyltransferase activity(2025) structural molecule activity(2021, 2025) dolichyl-diphosphooligosaccharide-protein glycotransferase activity(2007, 2025) peptidyl-prolyl cis-trans isomerase activity(2025) isomerase activity(2025) RNA binding(2014)

Molecular function: glycoprotein biosynthetic process2020, 2025 protein N-linked glycosylation2013, 2019, 2020, 2024, 2025 dolichol-linked oligosaccharide biosynthetic process2021, 2025 peptide transport2005

Cellular component: oligosaccharyltransferase complex2019, 2020, 2022, 2025 endoplasmic reticulum2009, 2018, 2021, 2024, 2025 endoplasmic reticulum membrane2006, 2013, 2024, 2025 membrane2014, 2025 oligosaccharyltransferase complex B2024, 2025 oligosaccharyltransferase complex A2024, 2025 cytosol2024, 2025 rough endoplasmic reticulum2014, 2025 nuclear outer membrane-endoplasmic reticulum membrane network2023, 2025 mitochondrion2019
cytoplasmic stress granule2022, 2025 cortical endoplasmic reticulum2023, 2025 plasma membrane2014 plant-type vacuole2021 plant-type cell wall2021 melanosome2025 endomembrane system2014 chloroplast2018 Golgi apparatus2012

Phylogenetic distribution

Chordates: 22/21 
Echinoderms: 0/0 
Hemichordates: 1/1 
Annelids: 1/1 
Molluscs: 0/0 
Bryozoans: 0/0 
Platyhelminthes: 0/0 
Rotifers: 0/0 
Nematodes: 3/3 
Arthropods: 5/5 
Tardigrades: 0/0 
Placozoa: 1/1 
Cnidaria: 1/1 
Porifera: 0/0 
Choanoflagellates+: 14/1 
Dikarya: 0/14 
Fungi (other): 0/1 
Protozoa: 3/3 
Excavates: 2/4 
Harosa: 3/4 
Hacrobia: 0/0 
Plants: 39/39 
Archea: 0/8 
Bacteria: 0/35 

Find a cluster

Protein ID:
UniProt ID, accession, gene name or model org. database name
Cluster ID:
e.g. "UKP00123" or "123"

Download

Protein sequences (FASTA format)

Knownness history

2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 0 2 4 6 8 10 Knownness

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Proteins

UniProt ID
Organism DB»		 Standard knownness clustom knownness Gene name Description Species  [Show all] GO terms Seq. links Protein domain links
RPN1_HUMAN
Ensembl»
3.6
RPN1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 (Dolichyl-diphosphooligosaccharide--protein glycosyltransferase
67 kDa subunit) (Ribophorin I) (RPN-I) (Ribophorin-1)		 Homo sapiens
TI:9606 None
 
OST1A_ARATH
TAIR»
0.0
OST1A Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1A
(Ribophorin IA) (RPN-IA) (Ribophorin-1A)		 Arabidopsis thaliana
TI:3702 None
 
OST1_YEAST
SGD»
2.4
OST1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 (N-linked oligosaccharyl transferase subunit 1) (Oligosaccharyl transferase
64 kDa subunit) (Oligosaccharyl transferase subunit OST1) (Oligosaccharyl transferase subunit alpha)		 Saccharomyces cerevisiae
TI:4932 None
 
RPN1_MOUSE
Ensembl»
1.1
Rpn1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 (Dolichyl-diphosphooligosaccharide--protein glycosyltransferase
67 kDa subunit) (Ribophorin I) (RPN-I) (Ribophorin-1)		 Mus musculus
TI:10090 None
 
OST1B_ARATH
TAIR»
0.0
OST1B Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1B
(Ribophorin IB) (RPN-IB) (Ribophorin-1B)		 Arabidopsis thaliana
TI:3702 None
 
Q76NQ0_DROME
FlyBase»
1.0
Ost1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase
subunit 1		 Drosophila melanogaster
TI:7227 None
 
RPN1_RAT
RGD»
1.6
Rpn1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 (Dolichyl-diphosphooligosaccharide--protein glycosyltransferase
67 kDa subunit) (Ribophorin I) (RPN-I) (Ribophorin-1)		 Rattus norvegicus
TI:10116 None
 
OST1_DICDI
dictyBase»
0.5
ost1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1 (Oligosaccharyl transferase
subunit alpha) (Ribophorin I) (RPN-I) (Ribophorin-1)		 Dictyostelium discoideum
TI:44689 None
 
OST1_SCHPO
PomBase»
0.6
ost1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit 1
(Oligosaccharyl transferase subunit alpha)		 Schizosaccharomyces pombe
TI:4896 None
 
Q8AYB9_DANRE
ZFIN»
0.0
rpn1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase
subunit 1		 Danio rerio
TI:7955 None
 
RPN1_CAEEL
WormBase»
0.6
ribo-1 Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit
1 (Ribophorin I) (RPN-I)		 Caenorhabditis elegans
TI:6239 None
 
A0A8V1AFT8_CHICK
Ensembl»
0.0
Dolichyl-diphosphooligosaccharide--protein glycosyltransferase
subunit 1		 Gallus gallus
TI:9031 None