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# Copyright 2021 AlQuraishi Laboratory
# Copyright 2021 DeepMind Technologies Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# This mapping is used when we need to store atom data in a format that requires
# fixed atom data size for every residue (e.g. a numpy array).
atom_types = [
"N",
"CA",
"C",
"CB",
"O",
"CG",
"CG1",
"CG2",
"OG",
"OG1",
"SG",
"CD",
"CD1",
"CD2",
"ND1",
"ND2",
"OD1",
"OD2",
"SD",
"CE",
"CE1",
"CE2",
"CE3",
"NE",
"NE1",
"NE2",
"OE1",
"OE2",
"CH2",
"NH1",
"NH2",
"OH",
"CZ",
"CZ2",
"CZ3",
"NZ",
"OXT",
]
atom_order = {atom_type: i for i, atom_type in enumerate(atom_types)}
atom_type_num = len(atom_types) # := 37.
restype_1to3 = {
"A": "ALA",
"R": "ARG",
"N": "ASN",
"D": "ASP",
"C": "CYS",
"Q": "GLN",
"E": "GLU",
"G": "GLY",
"H": "HIS",
"I": "ILE",
"L": "LEU",
"K": "LYS",
"M": "MET",
"F": "PHE",
"P": "PRO",
"S": "SER",
"T": "THR",
"W": "TRP",
"Y": "TYR",
"V": "VAL",
}
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