Psammaplin A

Psammaplin A

SCHEMBL364511

O=C(NCCSSCCNC(=O)/C(Cc1ccc(O)c(Br)c1)=N/O)/C(Cc1ccc(O)c(Br)c1)=N/O

nearest known ligand 0.91

Full drug profile on Sugi Atlas →

Predicted protein targets (top 20)

geneUniProtsupporting neighboursconfidence
HDAC1 Q13547 16/20 0.91
HDAC6 Q9UBN7 14/20 0.91
HDAC3 O15379 9/20 0.91
HDAC2 Q92769 8/20 0.91
HDAC7 Q8WUI4 8/20 0.91
HDAC8 Q9BY41 8/20 0.91
HDAC4 P56524 7/20 0.91
HDAC10 Q969S8 7/20 0.91
HDAC11 Q96DB2 7/20 0.91
HDAC9 Q9UKV0 7/20 0.91
HDAC5 Q9UQL6 7/20 0.91
CA12 O43570 2/20 0.70
CA1 P00915 2/20 0.70
CA2 P00918 2/20 0.70
CA9 Q16790 2/20 0.70
CA4 P22748 1/20 0.70
CA6 P23280 1/20 0.70
CA5A P35218 1/20 0.70
CA7 P43166 1/20 0.70
CA13 Q8N1Q1 1/20 0.70

Click a target to see other patent compounds predicted against it — the reverse direction, in place.

Similar compounds — the chemically nearest patent molecules

Nearest neighbours by Morgan-fingerprint cosine across the patent-compound collection, with each neighbour's top predicted target and the predicted targets it shares with this molecule.

Compoundsimilaritytop predictedshared targets
Psammaplin A SCHEMBL29367050 1.00 HDAC1 (0.91) HDAC1HDAC6HDAC3HDAC2HDAC7
Psammaplin A SCHEMBL12521616 1.00 HDAC1 (0.91) HDAC1HDAC6HDAC3HDAC2HDAC7
SCHEMBL4260599 0.95 HDAC1 (1.00) HDAC1HDAC6HDAC3HDAC2HDAC7
SCHEMBL30015295 0.94 HDAC1 (0.83) HDAC1HDAC6HDAC3HDAC2HDAC7
Bisaprasin SCHEMBL2230766 0.92 HDAC1 (0.78) HDAC1HDAC6HDAC3HDAC2HDAC7
Bisaprasin SCHEMBL12522054 0.92 HDAC1 (0.78) HDAC1HDAC6HDAC3HDAC2HDAC7
SCHEMBL13333433 0.90 HDAC1 (0.80) HDAC1HDAC6HDAC3HDAC2HDAC7
SCHEMBL17444829 0.90 HDAC1 (0.84) HDAC1HDAC6HDAC3HDAC2HDAC7
SCHEMBL17444828 0.90 HDAC1 (0.84) HDAC1HDAC6HDAC3HDAC2HDAC7
SCHEMBL15549016 0.89 HDAC1 (1.00) HDAC1HDAC6HDAC3HDAC2HDAC7

Similarity is cosine over the 2,048-bit Morgan fingerprint (≈ Tanimoto). Identical fingerprints score 1.00.

Patent provenance — the patents this molecule appears in, and who filed them

Claimed or disclosed in 480 patents — showing the first 20. claimed = in the patent's claims; disclosed = body only.

PatentTitleAssigneePublishedPriorityFilingCountryStatus
EP-4739291-A2 ADMINISTRATION OF KERATOLYTICS TO OCULAR AND PERIOCULAR SURFACES AZURA OPHTHALMICS LTD (IL) 2026-05-13 EP claimed
EP-4739293-A2 COMPOSITIONS AND METHODS FOR THE TREATMENT OF AUTOIMMUNE DISORDERS AZURA OPHTHALMICS LTD (IL) 2026-05-13 EP claimed
WO-2026041906-A1 SEMI-SOLID PHARMACEUTICAL COMPOSITION MICRO-DISPENSER Azura Ophthalmics Ltd. (IL) 2026-02-26 WO claimed
US-20250144056-A1 ANTIMICROBIAL HOST DEFENSE PEPTIDE-INDUCING COMPOSITIONS AND METHODS OF PRODUCTION AND USE THEREOF BOARD OF REGENTS FOR THE OKLAHOMA AGRICULTURAL AND MECH COLLEGES (US) 2025-05-08 US claimed
CN-115925675-B PSAMMAPLIN A derivatives, and preparation method and application thereof 中国海洋大学 2025-04-01 CN claimed
WO-2025059442-A1 MODULATING PLANT RESPONSES TO STRESS AND GROWTH WITH CHEMICALS REMOTE EPIGENETICS INC. (US) 2025-03-20 WO claimed
WO-2025012701-A2 ADMINISTRATION OF KERATOLYTICS TO OCULAR AND PERIOCULAR SURFACES Azura Ophthalmics Ltd. (IL) 2025-01-16 WO claimed
WO-2025012700-A2 COMPOSITIONS AND METHODS FOR THE TREATMENT OF AUTOIMMUNE DISORDERS Azura Ophthalmics Ltd. (IL) 2025-01-16 WO claimed
EP-4476217-A1 MORPHIC FORMS OF CFT7455 AND METHODS OF MANUFACTURE THEREOF C4 Therapeutics, Inc. (US) 2024-12-18 EP claimed
CN-118660884-A Crystal form of CFT7455 and method for producing same C4医药公司 2024-09-17 CN claimed
US-20100305059-A1 COMPOSITION AND METHODS FOR THE TREATMENT OF MYELODYSPLASTIC SYNDROME AND ACUTE MYELOID LEUKEMIA TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION (US) 2010-12-02 US claimed
US-20100075915-A1 METHODS FOR CANCER THERAPY AND STEM CELL MODULATION AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (SG) 2010-03-25 US claimed
EP-2040731-A2 SOLID ORAL DOSAGE FORM CONTAINING AN ENHANCER Merrion Research III Limited (IE) 2009-04-01 EP claimed
EP-1993553-A1 METHODS FOR CANCER THERAPY AND STEM CELL MODULATION Agency for Science, Technology and Research (SG) 2008-11-26 EP claimed
WO-2008036374-A2 ALLOGENEIC STEM CELL TRANSPLANTS IN NON-CONDITIONED RECIPIENTS MEDISTEM LABORATORIES, INC. (US) 2008-03-27 WO claimed
WO-2008027049-A1 COMPOSITION AND METHODS FOR THE TREATMENT OF MYELODYSPLASTIC SYNDROME AND ACUTE MYELOID LEUKEMIA TEMPLE UNIVERSITY - OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION (US) 2008-03-06 WO claimed
WO-2007149548-A2 TREATMENT OF ERECTILE DYSFUNCTION BY STEM CELL THERAPY MEDISTEM LABORATORIES, INC. (US) 2007-12-27 WO claimed
WO-2007146234-A2 SOLID ORAL DOSAGE FORM CONTAINING AN ENHANCER MERRION RESEARCH II LIMITED (IE) 2007-12-21 WO claimed
US-20070292512-A1 Solid Oral Dosage Form Containing an Enhancer MERRION RESEARCH II LIMITED (IE) 2007-12-20 US claimed
WO-2007100304-A1 METHODS FOR CANCER THERAPY AND STEM CELL MODULATION AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH (SG) 2007-09-07 WO claimed

Patent text — is the patent's own abstract consistent with the prediction?

For each of this compound's patents that has machine-readable text (3 of them — usually the abstract, not the full specification), we ask MedCPT which protein the text reads most about, and where the chemistry-predicted target lands among 4885 human targets. A high rank means the patent's own wording is consistent with the prediction — a weak, independent signal, not proof of activity.

PatentTitleText reads most aboutPredicted target · text-rank
US-20070292512-A1 Solid Oral Dosage Form Containing an Enhancer CEL, SLC10A2, FABP2 HDAC1 47/4885HDAC6 66/4885HDAC3 101/4885
US-20100075915-A1 METHODS FOR CANCER THERAPY AND STEM CELL MODULATION MCL1, BCOR, BCL2 HDAC1 209/4885HDAC6 916/4885HDAC3 283/4885
US-20100305059-A1 COMPOSITION AND METHODS FOR THE TREATMENT OF MYELODYSPLASTIC SYNDROME AND ACUTE MYELOID LEUKEMIA DNMT3A, TET2, MCL1 HDAC1 134/4885HDAC6 1413/4885HDAC3 201/4885

“Text reads most about” is the patent abstract's nearest protein in MedCPT space (background-debiased). Only ~1.4% of patents have machine-readable text, so most compounds won't have this panel.