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41 results for category:sequence_annotation in User manual

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Non-experimental qualifiers

Non-experimental qualifiers indicate that the information given is not based on experimental findings.

Sequence annotation (Features)

Position-dependent annotation
Zinc finger Denotes the position(s) and type(s) of zinc fingers within the protein
Natural variant Description of a natural variant of the protein
Alternative sequence Amino acid change(s) producing alternate protein isoforms
Sequence uncertainty Regions of uncertainty in the sequence
Turn Turns within the experimentally determined protein structure
Transmembrane Extent of a membrane-spanning region
Transit peptide Extent of a transit peptide for organelle targeting
Topological domain Location of non-membrane regions of membrane-spanning proteins
Beta strand Beta strand regions within the experimentally determined protein structure
Site Any interesting single amino acid site on the sequence
Signal Sequence targeting proteins to the secretory pathway or periplasmic space
Repeat Denotes the positions of repeated sequence motifs or repeated domains
Region Region of interest in the sequence
Propeptide Part of a protein that is cleaved during maturation or activation
Peptide Extent of an active peptide in the mature protein
Nucleotide binding Nucleotide phosphate binding region
Non-terminal residue The sequence is incomplete. Indicate that a residue is not the terminal residue of the complete protein.
Non-standard residue Occurence of non-standard amino acids (selenocysteine and pyrrolysine) in the protein sequence
Non-experimental qualifiers Non-experimental qualifiers indicate that the information given is not based on experimental findings.
Non-adjacent residues Indicates that two residues in a sequence are not consecutive
Mutagenesis Site which has been experimentally altered by mutagenesis
Motif Short (up to 20 amino acids) sequence motif of biological interest
Modified residue Modified residues excluding lipids, glycans and protein crosslinks
Metal binding Binding site for a metal ion
Lipidation Covalently attached lipid group(s)
Intramembrane Extent of a region located in a membrane without crossing it
Initiator methionine Cleaved initiator methionine
Helix Helical regions within the experimentally determined protein structure
Domain Denotes the position and type of each modular protein domain
DNA binding Denotes the position and type of a DNA-binding domain
Disulfide bond Cysteine residues participating in disulfide bonds
Cross-link Residues participating in covalent linkage(s) between proteins
Sequence conflict Description of sequence discrepancies of unknown origin
Compositional bias Region of compositional bias in the protein
Coiled coil Denotes the positions of regions of coiled coil within the protein
Chain Extent of a polypeptide chain in the mature protein
Glycosylation Covalently attached glycan group(s)
Calcium binding Denotes the position(s) of calcium binding region(s) within the protein
Binding site Binding site for any chemical group (co-enzyme, prosthetic group, etc.)
Active site Amino acid(s) directly involved in the activity of an enzyme