Protein Information

Cytoscape View


UniProt AC / UniProt ID Q9BQI3 / E2AK1_HUMAN
Protein Name Eukaryotic translation initiation factor 2-alpha kinase 1
Gene Name Name: EIF2AK1
Synonyms:HRI;ORFNames:PRO1362;
Organism Homo sapiens (Human)

PRO ID PR:Q9BQI3
DAG View
PRO Name eukaryotic translation initiation factor 2-alpha kinase 1 (human)
Definition A eukaryotic translation initiation factor 2-alpha kinase 1 that is encoded in the genome of human.
Short Label hEIF2AK1
Category organism-gene

Interactive Sequence View

Select/align proteoforms across species


Q9BQI3 (EIF2AK1) as Substrate



Site PTM Type PTM Enzyme Score Source PMID
S6 Phosphorylation PhosphoSitePlus
S144 Phosphorylation PhosphoSitePlus
K175 Ubiquitination PhosphoSitePlus
K187 Ubiquitination PhosphoSitePlus
Y193 Phosphorylation PhosphoSitePlus
K196 Ubiquitination PhosphoSitePlus
K201 Ubiquitination PhosphoSitePlus
K210 Ubiquitination PhosphoSitePlus
S253 Phosphorylation PhosphoSitePlus
S258 Phosphorylation PhosphoSitePlus
S274 Phosphorylation PhosphoSitePlus
S275 Phosphorylation PhosphoSitePlus
S276 Phosphorylation PhosphoSitePlus
T285 Phosphorylation IEDB   PhosphoSitePlus 32897882
K288 Ubiquitination PhosphoSitePlus
S295 Phosphorylation PhosphoSitePlus
T297 Phosphorylation PhosphoSitePlus
K303 Ubiquitination PhosphoSitePlus
K472 Ubiquitination PhosphoSitePlus
S498 Phosphorylation PhosphoSitePlus
K558 Ubiquitination PhosphoSitePlus
K602 Ubiquitination PhosphoSitePlus
K609 Ubiquitination PhosphoSitePlus
K618 Ubiquitination PhosphoSitePlus
Site PTM Type PTM Enzyme Score Source PMID
S6 Phosphorylation HPRD 18691976
Y38 Phosphorylation HPRD 18691976
S258 Phosphorylation HPRD 18691976, 19664994, 18452278
S274 Phosphorylation HPRD 18691976
S275 Phosphorylation HPRD 18691976, 17081983
S276 Phosphorylation HPRD 18691976, 17081983
S277 Phosphorylation HPRD 18691976, 17081983
S278 Phosphorylation HPRD 18691976, 17081983
S295 Phosphorylation HPRD 18691976


Q9BQI3 (EIF2AK1) as PTM Enzyme



Substrate Site Score Source PMID
P05198 (EIF2S1) S49 PhosphoSitePlus   Signor 3352609, 10563826
P05198 (EIF2S1) S52 HPRD   PhosphoSitePlus   Signor 9819435, 3352609, 11041858, ...10542257, 1677563


PTM sites affected in variants

Site Variant Source PMID Disease [Sample source]
K210 M210 Biomuta DOID:1324 / lung cancer [ cosmic, icgc ]
S276 I276 Biomuta DOID:2531 / hematologic cancer [ cosmic ]
S276 C276 Biomuta DOID:8618 / oral cavity cancer [ cosmic ] DOID:11934 / head and neck cancer [ icgc ]
S277 A277 Biomuta DOID:363 / uterine cancer [ cosmic, icgc ]
S278 F278 Biomuta [ cosmic ] DOID:4159 / skin cancer [ cosmic, icgc ]
T297 I297 Biomuta DOID:9256 / colorectal cancer [ cosmic ]
T297 A297 Biomuta DOID:2531 / hematologic cancer [ cosmic ]
K472 R472 Biomuta DOID:1793 / pancreatic cancer [ cosmic ]
K558 R558 Biomuta DOID:9256 / colorectal cancer [ cosmic ] DOID:10283 / prostate cancer [ cosmic ] DOID:10534 / stomach cancer [ cosmic ] DOID:2531 / hematologic cancer [ cosmic, icgc ] DOID:1612 / breast cancer [ cosmic, icgc ]