> Trialight public data. Index of pages: https://trialight.com/llms.txt
> Web page: https://trialight.com/data/target/fkbp1a-caa2dbe9-c679-5ba2-9bd0-18b303620352
> Record changed: 2026-10-13

# FKBP1A

ENSG00000088832

Target class

Enzyme

Chromosome

20

Approved drugs

5

Clinical candidates (approved and in development)

7

## Clinical evidence

**Approved drugs**

5

**Clinical candidates (approved and in development)**

7

## Druggability

**Chemical probe available**

Yes

## Names

**Target name**

FKBP1A

**Gene name**

FKBP prolyl isomerase 1A

**Gene symbol**

FKBP1A

**Previous gene symbols**

- FKBP1

**Protein name**

Peptidyl-prolyl cis-trans isomerase FKBP1A (PPIase FKBP1A) (EC 5.2.1.8) (12 kDa FK506-binding protein) (12 kDa FKBP) (FKBP-12) (Calstabin-1) (FK506-binding protein 1A) (FKBP-1A) (Immunophilin FKBP12) (Rotamase)

### Other names (5)

- FKBP-12
- FKBP12
- PKC12
- PPIASE
- FKBP12C

## Classification

**Gene biotype**

Protein coding

**Gene family**

FKBP prolyl isomerase family|MicroRNA protein coding host genes

**Target class**

Enzyme

**Target type**

Human gene

## Expression and localisation

**Tissues expressed in**

54

**Protein localisation evidence grade**

Approved

**Highest tissue expression**

437.19

**Tissue specificity (Gini)**

0.262

**Tissue specificity (tau)**

0.647

## Pathways and interactions

**KEGG gene identifiers**

- hsa:2280

**Protein interaction confidence**

0.821213

**Protein interaction partners**

75

### Reactome pathways (7)

- R-HSA-166208
- R-HSA-2025928
- R-HSA-2173789
- R-HSA-2173791
- R-HSA-3656535
- R-HSA-9679191
- R-HSA-9692916

## Genomic location

**End position**

1393164

**Start position**

1368977

**Chromosome**

20

**Strand**

Reverse

## Identifiers

**Ensembl gene ID**

ENSG00000088832

**HGNC ID**

HGNC:3711

Source: [www.genenames.org](https://www.genenames.org/data/gene-symbol-report/#!/hgnc%5Fid/HGNC:3711)

**NCBI Gene ID**

2280

**UniProt ID**

P62942

## Cellular location

- Cytoplasm, cytosol . Sarcoplasmic reticulum membrane
- Peripheral membrane protein
- Cytoplasmic side .
- Cytosol
- Golgi apparatus

### Publication evidence

- PubMed 1701173  
Source: [pubmed.ncbi.nlm.nih.gov](https://pubmed.ncbi.nlm.nih.gov/1701173/)

## Tissue expression

**Tissue specificity (tau)**

0.647288

**Expression inequality (Gini)**

0.262453

### Highest expression

Expression in transcripts per million

**Cells - Cultured fibroblasts**

437.19

**Lung**

317.27

**Brain - Nucleus accumbens (basal ganglia)**

305.23

**Adipose - Visceral (Omentum)**

304.8

**Thyroid**

284.35

### All tissues (54)

Expression in transcripts per million

- Cells - Cultured fibroblasts437.19
- Lung317.27
- Brain - Nucleus accumbens (basal ganglia)305.23
- Adipose - Visceral (Omentum)304.8
- Thyroid284.35
- Adipose - Subcutaneous272.99
- Cells - EBV-transformed lymphocytes252.03
- Uterus245.28
- Spleen219.48
- Breast - Mammary Tissue214.13
- Brain - Caudate (basal ganglia)212.12
- Artery - Coronary199.8
- Artery - Aorta191.28
- Cervix - Endocervix186.8
- Fallopian Tube184.55
- Ovary181.74
- Nerve - Tibial181.52
- Cervix - Ectocervix181.01
- Vagina169.56
- Esophagus - Mucosa168.82
- Whole Blood168.02
- Brain - Frontal Cortex (BA9)167.19
- Artery - Tibial165.91
- Bladder165.84
- Prostate158.12

And 29 more, listed on the interactive page.

## Biological functions

### Biological processes (12)

- GO:0006458  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0006458)
- GO:0014809  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0014809)
- GO:0030512  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0030512)
- GO:0032880  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032880)
- GO:0032926  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0032926)
- GO:0042026  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0042026)
- GO:0043123  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0043123)
- GO:0050776  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0050776)
- GO:0051604  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0051604)
- GO:0097435  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0097435)
- GO:1902991  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1902991)
- GO:1990000  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:1990000)

### Cellular components (4)

- GO:0005737  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005737)
- GO:0005829  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005829)
- GO:0016020  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0016020)
- GO:0030018  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0030018)

### Molecular functions (10)

- GO:0003755  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0003755)
- GO:0005160  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005160)
- GO:0005246  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005246)
- GO:0005515  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005515)
- GO:0005528  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0005528)
- GO:0030547  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0030547)
- GO:0034713  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0034713)
- GO:0044325  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0044325)
- GO:0070411  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070411)
- GO:0070697  
Source: [www.ebi.ac.uk](https://www.ebi.ac.uk/QuickGO/term/GO:0070697)

## Related records

### Trials (2,587)

- 1% Topical Pimecrolimus Cream for the Treatment of the Rash Associated With ERBITUX
- 10 Year Registry of Children (Ages 2-17 Years) With Eczema That Have Used Pimecrolimus
- 10-Years Follow-up of the EXAMINATION Trial
- 12 Month Athena Study: Everolimus vs. Standard Regimen in de Novo Kidney Transplant Patients
- 131I-apamistamab-based Conditioning for Hematopoietic Stem Cell Transplant (HSCT) in Advanced Sickle Cell Disease (SCD)
- 2-Step Approach to Stem Cell Transplant in Treating Participants With Hematological Malignancies
- 211At-BC8-B10 Followed by Donor Stem Cell Transplant in Treating Patients With Relapsed or Refractory High-Risk Acute Leukemia or Myelodysplastic Syndrome
- 225Ac-DOTA-Anti-CD38 Daratumumab Monoclonal Antibody With Fludarabine, Melphalan and Total Marrow and Lymphoid Irradiation as Conditioning Treatment for Donor Stem Cell Transplant in Patients With High-Risk Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia and Myelodysplastic Syndrome
- 24 Month Extension to Efficacy and Safety of AEB071 Plus Tacrolimus (Converted to Mycophenolic Acid After 3 Months) in Renal Transplant Patients(Converted to Mycophenolic Acid After 3 Months) in Renal Transplant Patients
- 24 Months Follow-up, Two Arm Study to Compare the Cardiovascular Profile in a Regimen With Everolimus + Mycophenolic Acid (MPA) Versus (vs.) a Regimen of CNI+MPA in Maintenance Renal Transplant Recipients
- 3-arm Trial to Evaluate Pasireotide LAR/Everolimus Alone/in Combination in Patients With Lung/Thymus NET - LUNA Trial
- 4EVER - Efficacy, Safety, Health Economics, Translational Research of Postmenopausal Women With Estrogen Receptor Positive Locally Advanced or Metastatic Breast Cancer
- 5-Year Safety Study of Pimecrolimus Cream 1% in Infants 3 - 12 Months of Age With Mild to Moderate Atopic Dermatitis
- 89Zr-bevacizumab PET Imaging in Patients With Neuroendocrine Tumors
- A 1-year Comparison of Generic Tacrolimus (Tacni) and Prograf in Renal Transplant Patients - a Retrospective Matched Pair Analysis, GenTac
- A 4 Week Study of Elidel (Pimecrolimus) for the Treatment of Seborrheic Dermatitis
- A 5 Year Follow-up of Patients Who Were Previously Enrolled Into an Advagraf Trial Following a Liver or Kidney Transplant
- A 6-Month Study Of CP-690,550 Versus Tacrolimus In Kidney Transplant Patients
- A Biological Prospective Study in Patients With Metastatic Pancreatic NETs Treated With Everolimus
- A Blood Stem Cell Transplant for Sickle Cell Disease

### Drugs (8)

- [Everolimus](https://trialight.com/data/asset/everolimus-0edf09a9-672d-4f9a-9e34-21ab083a92a4.md) FK506-binding protein 1A inhibitor
- Olocrolimus FK506-binding protein 1A inhibitor
- Pimecrolimus FK506-binding protein 1A inhibitor
- [Sirolimus](https://trialight.com/data/asset/sirolimus-08da04e4-ea95-4587-95c4-83d583e56570.md) FK506-binding protein 1A inhibitor
- Tacrolimus FK506-binding protein 1A inhibitor
- Tacrolimus anhydrous FK506-binding protein 1A inhibitor
- Temsirolimus FK506-binding protein 1A inhibitor
- Zotarolimus FK506-binding protein 1A inhibitor

---

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