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PEPDIA-INT-034927

Gold

Unnamed peptide

Quality

Source DBs

Activities

Source refs

Literature

Patents

Integrated record

Sequence and molecular profile

HCKFWA

Indexed sequence6 aa

1HCKFWA

Length

Molecular weight

790.95 Da

Formula

C38H50N10O7S

Structure type

Linear

Synthesis

Synthetic

Chirality

Family

Gene

Residue composition

Physicochemical profile

Hydrophobic3

Membrane affinity proxy

Polar1

Solubility proxy

Charged2

Net charge proxy +2

Aromatic3

Binding interaction proxy

Versioned scientific descriptors

Physicochemical properties and standard representations

calculated sequence and structure

Reported properties

Legacy compatibility fields are materialized from the versioned PepDiana computed release; no separate source-reported property is available.

Computed properties

physchem-20260620

Molecular weight

790.9314 Da

Molecular formula

C38H50N10O7S

Theoretical pI

8.2311

Net charge at pH 7

0.8364

GRAVY

-0.15

Instability index

-16.7167

Aromaticity

0.3333

Topological polar surface area

279.31 Å²

cLogP

-0.1665

Hydrogen-bond donors

Hydrogen-bond acceptors

Rotatable bonds

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

Sequence representations

representations-20260620 · RDKit 2024.09.6

ProForma 2.0

validated simple linear

HCKFWA

HELM 2.0

validated simple linear

PEPTIDE1{H.C.K.F.W.A}$$$$V2.0

Canonical SMILES

validated

CC(NC(=O)C(Cc1c[nH]c2ccccc12)NC(=O)C(Cc1ccccc1)NC(=O)C(CCCCN)NC(=O)C(CS)NC(=O)C(N)Cc1c[nH]cn1)C(=O)O

Isomeric SMILES

validated

C[C@H](NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CS)NC(=O)[C@@H](N)Cc1c[nH]cn1)C(=O)O

Follow-up research

External analysis tools

Run BLASTPSearch similar protein or peptide sequences at NCBI.Search UniProtLook for related UniProtKB entries using the sequence.Search PubMedFind literature context for this peptide record.Search PubChemOpen chemistry search with the canonical SMILES string.

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Research workflow

Citation and local history

BibTeX

@misc{PEPDIA-INT-034927,
  title = {Unnamed peptide},
  author = {{PepDiana Consortium}},
  year = {2026},
  howpublished = {PepDiana Multifunctional Peptide Database},
  url = {http://127.0.0.1:3004/peptides/PEPDIA-INT-034927},
  note = {Accessed from local PepDiana development build}
}

APA-style note

Unnamed peptide. (2026). PepDiana record PEPDIA-INT-034927. PepDiana Multifunctional Peptide Database. http://127.0.0.1:3004/peptides/PEPDIA-INT-034927

This record is saved to local recent-view history so it can reappear on the peptide browser page.

Integrated source-database annotations

Biological activity (7 records)

Stable record	Activity	Subtype	Value	Target	Assay method	Source
CTPDB_P034927_ACT_dbaasp_0002	Antimicrobial	-	210 µM	HIV-1	Not reported by source	DBAASPS_6679_chain0dbaasp / linked
CTPDB_P034927_ACT_dramp_0003	Antimicrobial	-	Not available in the current structured import	Unknown	Not reported by source	DRAMP31409dramp / linked
CTPDB_P034927_ACT_dramp_0004	Antiviral	-	Not available in the current structured import	Unknown	Not reported by source	DRAMP31409dramp / linked
CTPDB_P034927_ACT_hipdb_0000	Antiviral	Anti-HIV	210.0 μM	HIV	Not reported by source	HIPdb_HIP38hipdb / unavailable
CTPDB_P034927_ACT_hipdb_0001	Antiviral	Anti-HIV	Low	HIV	Not reported by source	HIPdb_HIP39hipdb / unavailable
CTPDB_P034927_ACT_satpdb_0005	Antiviral	-	Not available in the current structured import	Unknown	Not reported by source	satpdb23971satpdb / linked
CTPDB_P034927_ACT_satpdb_0006	Antimicrobial	-	Not available in the current structured import	Unknown	Not reported by source	satpdb23971satpdb / linked

Provenance

Source database records (5)

hipdb

HIPdb_HIP38

Raw sequence

HCKFWA

hipdb

HIPdb_HIP39

Raw sequence

HCKFWA

dbaasp

DBAASPS_6679_chain0

Raw sequence

HCKFWA

dramp

DRAMP31409

Raw sequence

HCKFWA

satpdb

satpdb23971

Raw sequence

HCKFWA

Citation trail

Literature (3 records)

{"pubmed_id": "US5578573", "paper": "Viral integrase inhibiting peptides", "authors": "Richard A. Houghten, Patricia A. Weber, Ronald H. A. Plasterk, Ramon A. Puras Lutzke", "reference": "Houghten Pharmaceuticals, Inc."}

{"pubmed_id": "US5578573", "paper": "Viral integrase inhibiting peptides", "authors": "Richard A. Houghten, Patricia A. Weber, Ronald H. A. Plasterk, Ramon A. Puras Lutzke", "reference": "Houghten Pharmaceuticals, Inc."}

{"pubmed_id": "8524782.0", "paper": "Identification of a hexapeptide inhibitor of the human immunodeficiency virus integrase protein by using a combinatorial chemical library.", "authors": "Puras Lutzke RA, Eppens NA, Weber PA, Houghten RA, Plasterk RH.", "reference": "Proc Natl Acad Sci U S A. 1995 Dec 5;92(25):11456-60."}

{"pubmed_id": "8524782.0", "paper": "Identification of a hexapeptide inhibitor of the human immunodeficiency virus integrase protein by using a combinatorial chemical library.", "authors": "Puras Lutzke RA, Eppens NA, Weber PA, Houghten RA, Plasterk RH.", "reference": "Proc Natl Acad Sci U S A. 1995 Dec 5;92(25):11456-60."}

Identification of a hexapeptide inhibitor of the human immunodeficiency virus integrase protein by using a combinatorial chemical library.

Puras Lutzke RA, Eppens NA, Weber PA, Houghten RA, Plasterk RH

Proc Natl Acad Sci U S A1995PMID 8524782

Audit surface

Raw annotations and release metadata

Integrated record last updated: 2026-04-15T00:59:13.525035+00:00

Modification summary

No structured modification annotations are available for this record.

Source metadata

[
  {
    "source_db": "hipdb",
    "organism_name": "Unknown"
  },
  {
    "source_db": "dbaasp",
    "organism_name": "Unknown"
  },
  {
    "source_db": "dramp",
    "organism_name": "Unknown"
  },
  {
    "source_db": "satpdb",
    "organism_name": "Unknown"
  }
]

Structure metadata

{
  "source_db": "satpdb",
  "dssp_states": "CCSCCC"
}