GBP5
Guanylate-binding protein 5
Also known as: GBP5_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q96PP8
- Gene
- GBP5
- Ensembl
- ENSG00000154451
- Chromosome
- 1
- Canonical length
- 586 aa
- Protein class
- Predicted intracellular proteins
- Quaternary structure
- Homodimer
OverviewNCBI Gene
This gene belongs to the TRAFAC class dynamin-like GTPase superfamily. The encoded protein acts as an activator of NLRP3 inflammasome assembly and has a role in innate immunity and inflammation. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2017]
Canonical amino-acid sequenceUniProt
586 residues, UniProt reviewed canonical sequence.
>Q96PP8|GBP5
1 MALEIHMSDP MCLIENFNEQ LKVNQEALEI LSAITQPVVV VAIVGLYRTG KSYLMNKLAG
61 KNKGFSVAST VQSHTKGIWI WCVPHPNWPN HTLVLLDTEG LGDVEKADNK NDIQIFALAL
121 LLSSTFVYNT VNKIDQGAID LLHNVTELTD LLKARNSPDL DRVEDPADSA SFFPDLVWTL
181 RDFCLGLEID GQLVTPDEYL ENSLRPKQGS DQRVQNFNLP RLCIQKFFPK KKCFIFDLPA
241 HQKKLAQLET LPDDELEPEF VQQVTEFCSY IFSHSMTKTL PGGIMVNGSR LKNLVLTYVN
301 AISSGDLPCI ENAVLALAQR ENSAAVQKAI AHYDQQMGQK VQLPMETLQE LLDLHRTSER
361 EAIEVFMKNS FKDVDQSFQK ELETLLDAKQ NDICKRNLEA SSDYCSALLK DIFGPLEEAV
421 KQGIYSKPGG HNLFIQKTEE LKAKYYREPR KGIQAEEVLQ KYLKSKESVS HAILQTDQAL
481 TETEKKKKEA QVKAEAEKAE AQRLAAIQRQ NEQMMQERER LHQEQVRQME IAKQNWLAEQ
541 QKMQEQQMQE QAAQLSTTFQ AQNRSLLSEL QHAQRTVNND DPCVLLLocalizationUniProt · AlphaFold · HPA
Whether an antibody against GBP5 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
- Other membrane
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.32
- Highest tissue expression
- 41 nTPM
Expression across tissuesHPA
Tissue
- appendix: 41 nTPM
- lymph node: 27 nTPM
- spleen: 24 nTPM
- bone marrow: 17 nTPM
- tonsil: 12 nTPM
- lung: 9.9 nTPM
Single-cell type
- nk-cells: 97 nCPM
- t-cells: 78 nCPM
- kupffer cells: 45 nCPM
- neutrophils: 42 nCPM
- innate lymphoid cells: 40 nCPM
- monocytes: 25 nCPM
Immune cell
- T-reg: 98 nTPM
- MAIT T-cell: 64 nTPM
- neutrophil: 46 nTPM
- gdT-cell: 42 nTPM
- memory CD8 T-cell: 38 nTPM
- memory CD4 T-cell: 27 nTPM
Brain region
- medulla oblongata: 6.7 nTPM
- choroid plexus: 6.2 nTPM
- cerebral cortex: 5.3 nTPM
- pons: 4.9 nTPM
- cerebellum: 4.7 nTPM
- thalamus: 4.7 nTPM
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)
- 1.03
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.3
- DepMap mean gene effect
- -0.09
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- activation of innate immune response
- AIM2 inflammasome complex assembly
- cellular response to lipopolysaccharide
- cellular response to type II interferon
- cytolysis in another organism
- defense response to bacterium
- defense response to virus
- disruption of plasma membrane integrity in another organism
- inflammatory response
- non-canonical inflammasome complex assembly
- positive regulation of AIM2 inflammasome complex assembly
- positive regulation of cytokine production involved in inflammatory response
- positive regulation of innate immune response
- positive regulation of interleukin-1 beta production
- positive regulation of interleukin-18 production
- positive regulation of NLRP3 inflammasome complex assembly
- positive regulation of pyroptotic inflammatory response
- protein homotetramerization
- protein localization to Golgi apparatus
- protein targeting
Molecular functions
- GTP binding
- GTPase activity
- identical protein binding
- molecular function inhibitor activity
- protein homodimerization activity
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Guanylate-binding protein/Atlastin, C-terminal
- Guanylate-binding protein, N-terminal
- P-loop containing nucleoside triphosphate hydrolase
- GB1/RHD3-type guanine nucleotide-binding (G) domain
- Guanylate-binding protein, C-terminal domain superfamily
- Guanylate-binding protein, C-terminal
- Guanylate-binding protein, N-terminal domain
- Guanylate-binding protein, C-terminal domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of GBP5 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 GBP5 as an antibody target. Whether an autoantibody or antibody against GBP5 could matter depends on whether native GBP5 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
GBP5 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 GBP5 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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