ProForma 2.0
validated simple linear
GRKKRRQRRR
Record tools
Copy identifiers or export this single peptide record for a local research note.
TAT(48-57)
85
Quality PepDiana 0–100 composite of sequence, source, activity, literature, and cross-database evidence completeness.
7
Source DBs
21
Activities
18
Source refs
8
Literature
1
Patents
Integrated record
Length
Molecular weight
Formula
Structure type
Synthesis
Chirality
Family
Gene
Residue composition
Physicochemical profile
Membrane affinity proxy
Solubility proxy
Net charge proxy +8
Binding interaction proxy
Versioned scientific descriptors
Legacy compatibility fields are materialized from the versioned PepDiana computed release; no separate source-reported property is available.
Molecular weight
1396.6546 Da
Molecular formula
C55H109N31O12
Theoretical pI
12
Net charge at pH 7
7.758
GRAVY
-3.87
Instability index
232.7
Aromaticity
0
Topological polar surface area
791.75 Ų
cLogP
-10.504
Hydrogen-bond donors
32
Hydrogen-bond acceptors
20
Rotatable bonds
54
Method: PepDiana sequence/structure descriptor pipeline
Tool: Biopython+RDKit · Biopython 1.85; RDKit 2024.09.6
Calculated: 2026-06-20T11:01:38.358971+00:00
Assumptions: ph=7; termini=free N-terminus and free C-terminus for simple linear peptides; stereochemistry=standard L-amino acids; smiles_length_limit=200
ProForma 2.0
validated simple linear
GRKKRRQRRR
HELM 2.0
validated simple linear
PEPTIDE1{G.R.K.K.R.R.Q.R.R.R}$$$$V2.0
Canonical SMILES
validated
N=C(N)NCCCC(NC(=O)C(CCCNC(=N)N)NC(=O)C(CCCNC(=N)N)NC(=O)C(CCC(N)=O)NC(=O)C(CCCNC(=N)N)NC(=O)C(CCCNC(=N)N)NC(=O)C(CCCCN)NC(=O)C(CCCCN)NC(=O)C(CCCNC(=N)N)NC(=O)CN)C(=O)O
Isomeric SMILES
validated
N=C(N)NCCC[C@H](NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCNC(=N)N)NC(=O)CN)C(=O)O
Follow-up research
Links open third-party resources with the current PepDiana sequence, record name, or chemistry notation as the initial query.
Research workflow
@misc{PEPDIA-INT-039051,
title = {TAT(48-57)},
author = {{PepDiana Consortium}},
year = {2026},
howpublished = {PepDiana Multifunctional Peptide Database},
url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-039051},
note = {Accessed from local PepDiana development build}
}TAT(48-57). (2026). PepDiana record PEPDIA-INT-039051. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-039051
Integrated source-database annotations
| Stable record | Activity | Subtype | Value | Target | Assay method | Source |
|---|---|---|---|---|---|---|
| CTPDB_P039051_ACT_camp_0002 | Antimicrobial | Anti-Gram+ | Not available in the current structured import | Unknown | Not reported by source | CAMPSQ21821camp / linked |
| CTPDB_P039051_ACT_cancerppd_0003 | Anticancer | Anticancer | Not available in the current structured import | Unknown | LDH leakage assay | 4191cancerppd / linked |
| CTPDB_P039051_ACT_cancerppd_0004 | Anticancer | Anticancer | Not available in the current structured import | Unknown | LDH leakage assay | 4192cancerppd / linked |
| CTPDB_P039051_ACT_cancerppd_0005 | Anticancer | Anticancer | Not available in the current structured import | Unknown | LDH leakage assay | 4193cancerppd / linked |
| CTPDB_P039051_ACT_cancerppd_0006 | Anticancer | Anticancer | Not available in the current structured import | Unknown | LDH leakage assay | 4194cancerppd / linked |
| CTPDB_P039051_ACT_cppsite_0007 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 1005cppsite / linked |
| CTPDB_P039051_ACT_cppsite_0008 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 2475cppsite / linked |
| CTPDB_P039051_ACT_cppsite_0009 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 2558cppsite / linked |
| CTPDB_P039051_ACT_cppsite_0010 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 2559cppsite / linked |
| CTPDB_P039051_ACT_cppsite_0011 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 2677cppsite / linked |
| CTPDB_P039051_ACT_cppsite_0012 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 2678cppsite / linked |
| CTPDB_P039051_ACT_cppsite_0013 | Cell-Penetrating | CPP | Not available in the current structured import | Unknown | Not reported by source | 2822cppsite / linked |
| CTPDB_P039051_ACT_dbaasp_0014 | Antimicrobial | - | 94 µg/ml | HIV-1 IIIB | Not reported by source | DBAASPS_6581_chain0dbaasp / linked |
| CTPDB_P039051_ACT_dramp_0015 | Antimicrobial | - | Not available in the current structured import | Unknown | Not reported by source | DRAMP16375dramp / linked |
| CTPDB_P039051_ACT_dramp_0016 | Antiviral | - | Not available in the current structured import | Unknown | Not reported by source | DRAMP16375dramp / linked |
| CTPDB_P039051_ACT_hipdb_0000 | Antiviral | Anti-HIV | 0.094 mg/mL | HIV | Not reported by source | HIPdb_HIP1037hipdb / unavailable |
| CTPDB_P039051_ACT_hipdb_0001 | Antiviral | Anti-HIV | 50.0 μM | HIV | Not reported by source | HIPdb_HIP944hipdb / unavailable |
| CTPDB_P039051_ACT_satpdb_0017 | Cell-Penetrating | Drug Delivery | Not available in the current structured import | Unknown | Not reported by source | satpdb15982satpdb / linked |
| CTPDB_P039051_ACT_satpdb_0018 | Anticancer | - | Not available in the current structured import | Unknown | Not reported by source | satpdb17426satpdb / linked |
| CTPDB_P039051_ACT_satpdb_0019 | Antiviral | - | Not available in the current structured import | Unknown | Not reported by source | satpdb17426satpdb / linked |
| CTPDB_P039051_ACT_satpdb_0020 | Antimicrobial | - | Not available in the current structured import | Unknown | Not reported by source | satpdb17426satpdb / linked |
Provenance
hipdb
HIPdb_HIP1037
GRKKRRQRRR
hipdb
HIPdb_HIP944
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
GRKKRRQRRR
Citation trail
{"pubmed_id": "22319541.0", "paper": "Infection by CXCR4-Tropic Human Immunodeficiency Virus Type 1 Is Inhibited by the Cationic Cell-Penetrating Peptide Derived from HIV-1 Tat.", "authors": "Keogan S, Passic S, Krebs FC.", "reference": "Int J Pept. 2012;2012:349427. Epub 2012 Jan 29."}
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IP evidence
US 7432045
dramp
Audit surface
Integrated record last updated: 2026-04-15T00:59:13.602083+00:00
Modification summary
No structured modification annotations are available for this record.
[
{
"source_db": "hipdb",
"organism_name": "Unknown"
},
{
"source_db": "camp",
"organism_name": "Unknown"
},
{
"source_db": "cancerppd",
"organism_name": "Unknown"
},
{
"source_db": "cppsite",
"organism_name": "Unknown"
},
{
"source_db": "dbaasp",
"organism_name": "Unknown"
},
{
"source_db": "dramp",
"organism_name": "Unknown"
},
{
"source_db": "satpdb",
"organism_name": "Unknown"
}
]{
"source_db": "satpdb",
"dssp_states": "CTTTSSCCCC"
}