Source code for propy.ProCheck

# propy3, formerly protpy, is a Python package to compute protein descriptors
# Copyright (C) 2012 Dongsheng Cao and Yizeng Liang, oriental-cds@163.com
# Copyright (C) 2020-2022 Martin Thoma

# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; in version 2
# of the License.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA  02110-1301, USA.
"""
Check whether the input protein sequence is a valid amino acid sequence.
"""

# First party
from propy import AALetter


[docs]def ProteinCheck(ProteinSequence: str) -> int: """ Check whether the protein sequence is a valid amino acid sequence or not. Parameters ---------- ProteinSequence : a pure protein sequence Returns ------- flag : bool if the check is no problem, result will return the length of protein. if the check has problems, result will return 0. Examples -------- >>> from propy.GetProteinFromUniprot import GetProteinSequence >>> protein = GetProteinSequence(ProteinID="Q9NQ39") >>> result = ProteinCheck(protein) """ NumPro = len(ProteinSequence) for i in ProteinSequence: if i not in AALetter: flag = 0 break else: flag = NumPro return flag