EFL1
Elongation factor-like GTPase 1
Also known as: EFL1_HUMAN, EFTUD1, FAM42A, FLJ13119, HsT19294, RIA1
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q7Z2Z2
- Gene
- EFL1
- Ensembl
- ENSG00000140598
- Chromosome
- 15
- Canonical length
- 1120 aa
- Protein class
- Disease related genes, Human disease related genes, Metabolic proteins, Predicted intracellular proteins
- Subcellular location
- Cytosol
OverviewNCBI Gene
Enables GTPase activity and ribosome binding activity. Involved in GTP metabolic process and cytosolic ribosome assembly. Predicted to be part of ribonucleoprotein complex. Predicted to be active in cytosol. Implicated in Shwachman-Diamond syndrome. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
1120 residues, UniProt reviewed canonical sequence.
>Q7Z2Z2|EFL1
1 MVLNSLDKMI QLQKNTANIR NICVLAHVDH GKTTLADCLI SSNGIISSRL AGKLRYMDSR
61 EDEQIRGITM KSSAISLHYA TGNEEYLINL IDSPGHVDFS SEVSTAVRIC DGCIIVVDAV
121 EGVCPQTQAV LRQAWLENIR PVLVINKIDR LIVELKFTPQ EAYSHLKNIL EQINALTGTL
181 FTSKVLEERA ERETESQVNP NSEQGEQVYD WSTGLEDTDD SHLYFSPEQG NVVFTSAIDG
241 WGFGIEHFAR IYSQKIGIKK EVLMKTLWGD YYINMKAKKI MKGDQAKGKK PLFVQLILEN
301 IWSLYDAVLK KDKDKIDKIV TSLGLKIGAR EARHSDPKVQ INAICSQWLP ISHAVLAMVC
361 QKLPSPLDIT AERVERLMCT GSQTFDSFPP ETQALKAAFM KCGSEDTAPV IIFVSKMFAV
421 DAKALPQNKP RPLTQEEIAQ RRERARQRHA EKLAAAQGQA PLEPTQDGSA IETCPKGEEP
481 RGDEQQVESM TPKPVLQEEN NQESFIAFAR VFSGVARRGK KIFVLGPKYS PLEFLRRVPL
541 GFSAPPDGLP QVPHMAYCAL ENLYLLMGRE LEYLEEVPPG NVLGIGGLQD FVLKSATLCS
601 LPSCPPFIPL NFEATPIVRV AVEPKHPSEM PQLVKGMKLL NQADPCVQIL IQETGEHVLV
661 TAGEVHLQRC LDDLKERFAK IHISVSEPII PFRETITKPP KVDMVNEEIG KQQKVAVIHQ
721 MKEDQSKIPE GIQVDSDGLI TITTPNKLAT LSVRAMPLPE EVTQILEENS DLIRSMEQLT
781 SSLNEGENTH MIHQKTQEKI WEFKGKLEQH LTGRRWRNIV DQIWSFGPRK CGPNILVNKS
841 EDFQNSVWTG PADKASKEAS RYRDLGNSIV SGFQLATLSG PMCEEPLMGV CFVLEKWDLS
901 KFEEQGASDL AKEGQEENET CSGGNENQEL QDGCSEAFEK RTSQKGESPL TDCYGPFSGQ
961 LIATMKEACR YALQVKPQRL MAAMYTCDIM ATGDVLGRVY AVLSKREGRV LQEEMKEGTD
1021 MFIIKAVLPV AESFGFADEI RKRTSGLASP QLVFSHWEII PSDPFWVPTT EEEYLHFGEK
1081 ADSENQARKY MNAVRKRKGL YVEEKIVEHA EKQRTLSKNKLocalizationUniProt · AlphaFold · HPA
Whether an antibody against EFL1 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.31
- Highest tissue expression
- 15 nTPM
Expression across tissuesHPA
Tissue
- thymus: 15 nTPM
- rectum: 14 nTPM
- parathyroid gland: 13 nTPM
- tongue: 12 nTPM
- colon: 12 nTPM
- skeletal muscle: 11 nTPM
Single-cell type
- foveolar cells: 97 nCPM
- enterocytes: 95 nCPM
- late primary spermatocytes: 93 nCPM
- microglia: 92 nCPM
- urothelial cells: 84 nCPM
- early spermatids: 76 nCPM
Immune cell
- basophil: 18 nTPM
- eosinophil: 13 nTPM
- naive B-cell: 10 nTPM
- memory B-cell: 8.8 nTPM
- non-classical monocyte: 8.8 nTPM
- intermediate monocyte: 8.7 nTPM
Brain region
- medulla oblongata: 6.8 nTPM
- choroid plexus: 6.6 nTPM
- thalamus: 6.4 nTPM
- white matter: 6.4 nTPM
- pons: 6.2 nTPM
- cerebellum: 5.8 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about EFL1.
Disease | AllUniProt
Conditions EFL1 is implicated in, by any mechanism.
- Shwachman-Diamond syndrome 2 (SDS2) MIM:617941
Disease | GeneticClinVar
6 pathogenic / likely-pathogenic of 584 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
- Shwachman-Diamond syndrome 2
- Shwachman syndrome
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.56
- gnomAD pLI
- 0
- DepMap mean gene effect
- -0.94
- DepMap dependency class
- common
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 5% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Elongation factor EFG, domain V-like
- Translational (tr)-type GTP-binding domain
- Small GTP-binding domain
- Translation protein, beta-barrel domain superfamily
- Small ribosomal subunit protein uS5 domain 2-type fold, subgroup
- Ribosomal protein uS5 domain 2-type superfamily
- P-loop containing nucleoside triphosphate hydrolase
- EF-G domain III/V-like
- Elongation Factor G, domain II
- Elongation factor Tu GTP binding domain
- Elongation factor G C-terminus
- Elongation Factor G, domain III
- Elongation factor-like GTPase 1 domain
- Elongation factor-like GTPase 1-like domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of EFL1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads EFL1 as an antibody target. Whether an autoantibody or antibody against EFL1 could matter depends on whether native EFL1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
EFL1 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label EFL1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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