9VHF: Keratin 14 120 - 144 peptide fragment

Keratin 14 120 - 144 peptide fragment (R125G). Determined by solution NMR. Released 24 Jun 2026.

Method: Solution NMR
Organism: Homo sapiens
Chains: 1
Atoms: 194
Mol. weight: 2.76 kDa
Released: 24 Jun 2026

Explore 9VHF in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9VHF contains 1 α-helix and 0 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	9-16	8

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Keratin, type I cytoskeletal 14	A	protein	25	Homo sapiens	P02533 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>9VHF_1 Keratin, type I cytoskeletal 14 (chains A)
QNLNDGLASYLDKVRALEEANADLE

Primary citation

Conformational Compactness Dictates Aggregation Propensity: Single-Point Mutations Reshape Energy Landscapes and Self-Assembly Pathways of a Keratin Peptide. Zhang, W.B., Li, Z.Y., Li, H.W. et al. To be published.

Other PDB entries of the same protein (UniProt P02533 (AlphaFold model), which also has an AlphaFold model), best resolution first:

6JFV 2.6 Å, The crystal structure of 2B-2B complex from keratins 5 and 14 (C367A mutant of K14)
3TNU 3.0 Å, Heterocomplex of coil 2B domains of human intermediate filament proteins, keratin 5…
9VHO Keratin 14 120 - 144 peptide fragment (R125H)
9VHS Keratin 14 120 - 144 peptide fragment
9VHX Keratin 14 120 - 144 peptide fragment (R125S)

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