ProteinMass.py

def calculateMass(protein):
    ProteinMassTable = {'A': 71.03711,
                        'C': 103.00919,
                        'D': 115.02694,
                        'E': 129.04259,
                        'F': 147.06841,
                        'G': 57.02146,
                        'H': 137.05891,
                        'I': 113.08406,
                        'K': 128.09496,
                        'L': 113.08406,
                        'M': 131.04049,
                        'N': 114.04293,
                        'P': 97.05276,
                        'Q': 128.05858,
                        'R': 156.10111,
                        'S': 87.03203,
                        'T': 101.04768,
                        'V': 99.06841,
                        'W': 186.07931,
                        'Y': 163.06333}
    mass = 0
    for item in protein:
        mass += ProteinMassTable[item]

    print(mass)


calculateMass('HKDIWYEFYSPISWEHLHCKDTGEQKDGPGAWTMGCYMMHVWQKNHKCTFFCVKWGSLLHGYEYLHMDTVHNFVDDKQAMLAMWDLQWSICFFCRGSIVSQEADPLLYQVLICVVAQVQGHPRSPNIDDLSPKTPCLDWKMWKKNQKYDANTDPLWGCEFKLDWNMLEEEAPSSVHFMIWIPQGPYYQNDHMILHNQRYMYPFGRPNKTDAGCDYQNFLLLEIYLEMTRKRIQFVCMCPEAEPYAWQCAAEQKMKMGDMPNKRHFYRMMFYCAVCIGPYYKCCVNYKGPGFRCNCSPPCMYGKASMHSRQEIYPAHACSDTACDTWQAHKYDYHQVRDNQCFCMRSANARYKKFRWHVQHRKYIHKQSCWQCCGQVTKFTGFREQTLWIGQIRAGYYVLWFNQYFPVMDPMLREAMTPDYTLEIPRKFVYMCDACTVTNMLDFKHNYTKEVALAMPLDIEKEKGRPGFHAFWYRMICSYRSVSPPMSDQMFRSRGHSQESRSIWYKWSTLTLSACRGVCCPIRDCRSDVDYTVHPEIFPKHCTAERSMSIACMIQFYPSGEKVKKWVMRTFRYWQFLSAMECTSKIVEVPKQQQVGHHWPAVPLKQSCVFNQGNNCGAHTDVRFCDFIDALNEFHAYHAFLYPEHYRRAPHDFPAMRRLNPSVEGNTGHQWVRTTQCTATMLVYSSGWHNLCDFKSKAMLKFRSQTGFRIFDMMDKGFWRTWNSYLYPRRLTCVWHANGYMHNTIWMQIPIGRTNRKMNLGSQNDNQCDTEICPAMVMMFHSKIMIIQWSKYKLALFSGGHHLENTSNQYPWDVWCFSYKYPICMWMCSVKLVNSNSFYFATIGYGLQTSFRRVQNVCYNFQPYDACLPFIPSY')