Пример #1
0
def test_circular_gibson():

    record = dw.load_record(plasmid_path)
    sequence = dw.SequenceString.from_record(record)
    assert sequence.metadata['topology'] == "circular"
    assert dw.get_sequence_topology(sequence) == "circular"

    commercial_provider = dw.CommercialDnaOffer(
        name="supplier", pricing=dw.PerBasepairPricing(0.1),
    )
    assembly_station = dw.DnaAssemblyStation(
        name="golden_gate",
        supplier=commercial_provider,
        assembly_method=dw.GibsonAssemblyMethod(
            overhang_selector=dw.TmSegmentSelector(),
            max_segment_length=3000
        ),
        coarse_grain=600,
        fine_grain=None,
        cut_spread_radius=2,
    )
    quote = assembly_station.get_quote(sequence)
    assert quote.accepted
    assert 1200 < quote.price < 1220

    # ROUND TRIP: SIMULATE CLONING TO CHECK ASSEMBLY PLAN VALIDITY

    part_names, repo = extract_records_from_quote(quote)
    quote = assembly_station.get_quote(sequence)
    assembly = dc.GibsonAssembly(parts=part_names)
    simulation = assembly.simulate(repo)
    assert len(simulation.construct_records) == 1
    simulated_record = simulation.construct_records[0]
    print (len(record), len(simulated_record))
    assert sequences_are_circularly_equal([record, simulated_record])
import dnaweaver as dw
from dnaweaver.reports import plot_supply_network, AssemblyPlan
import time

cheap_dna_offer = dw.CommercialDnaOffer(
    name="CheapDNA.",
    sequence_constraints=[
        dw.NoPatternConstraint(enzyme="BsaI"),
        dw.SequenceLengthConstraint(max_length=4000),
    ],
    pricing=dw.PerBasepairPricing(0.10),
)

oligo_dna_offer = dw.CommercialDnaOffer(
    name="OliGoo",
    sequence_constraints=[
        dw.GcContentConstraint(min_gc=0.3, max_gc=0.7),
        dw.SequenceLengthConstraint(max_length=100),
    ],
    pricing=dw.PerBasepairPricing(0.07),
    memoize=True,
)

oligo_assembly_station = dw.DnaAssemblyStation(
    name="Oligo Assembly Station",
    assembly_method=dw.OligoAssemblyMethod(
        overhang_selector=dw.TmSegmentSelector(min_size=15,
                                               max_size=25,
                                               min_tm=50,
                                               max_tm=70),
        min_segment_length=40,
def test_example_with_adapters():
    oligo_com = dw.CommercialDnaOffer(
        name="Oligo.com",
        sequence_constraints=[dw.SequenceLengthConstraint(max_length=200)],
        pricing=dw.PerBasepairPricing(0.10),
        lead_time=7,
    )

    plasmideroo = dw.CommercialDnaOffer(
        name="Plasmideroo",
        sequence_constraints=[dw.SequenceLengthConstraint(max_length=4000)],
        pricing=dw.PerBasepairPricing(0.20),
        lead_time=10,
    )

    plasmideroo_linearization = dw.PcrLinearizationStation(
        name="Gibson Linearization",
        supplier=plasmideroo,
        primers_supplier=oligo_com,
        homology_selector=dw.TmSegmentSelector(),
    )

    gibson_blocks_assembly_station = dw.DnaAssemblyStation(
        name="Gibson Assembly",
        assembly_method=dw.GibsonAssemblyMethod(
            overhang_selector=dw.FixedSizeSegmentSelector(80),
            min_segment_length=1000,
            max_segment_length=4000,
            duration=8,
            cost=16,
        ),
        supplier=plasmideroo_linearization,
        coarse_grain=100,
        fine_grain=False,
        a_star_factor="auto",
    )

    gibson_station_adapter = dw.SequenceAdapter(
        name="Gibson Adapter",
        supplier=gibson_blocks_assembly_station,
        left_addition="TAAGACTAGTGCACATAATACGG",
        right_addition="ATTGTCACACTACAAACATGAC",
    )

    goldengate_blocks_assembly_station = dw.DnaAssemblyStation(
        name="Golden Gate Blocks Assembly",
        assembly_method=dw.GoldenGateAssemblyMethod(
            enzyme="BsmBI",
            wildcard_basepair="A",
            min_segment_length=1000,
            max_segment_length=4000,
            duration=5,
            cost=6,
        ),
        supplier=plasmideroo,
        coarse_grain=100,
        fine_grain=False,
        a_star_factor="auto",
    )

    golden_gate_station_adapter = dw.SequenceAdapter(
        name="Golden Gate Adapter",
        supplier=goldengate_blocks_assembly_station,
        left_addition="TAGG",
        right_addition="ACGA",
    )

    main_source = dw.DnaSuppliersComparator(
        [gibson_station_adapter, golden_gate_station_adapter]
    )

    # RESOLUTION

    print("\n\nSEQUENCE WITHOUT BMSBI SITES:\n")
    path = os.path.join(this_directory, "sequence_no_bsmbi.fa")
    sequence = dw.load_record(path)
    quote = main_source.get_quote(sequence, with_assembly_plan=True)
    assert quote.source == goldengate_blocks_assembly_station
    print(quote.assembly_step_summary())
    assert 2000 < quote.price < 2020

    print("\n\nSEQUENCE WITH BMSBI SITES:\n")
    path = os.path.join(this_directory, "sequence_bsmbi.fa")
    sequence = dw.load_record(path)
    quote = main_source.get_quote(sequence, with_assembly_plan=True)
    print(quote.assembly_step_summary())
    assert quote.source == gibson_blocks_assembly_station
    assert 2050 < quote.price < 2100
    
    # FOR COVERAGE

    assembly_report = quote.to_assembly_plan_report()
    assembly_report.write_full_report('@memory')
Пример #4
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def generate_supply_network(a_star_factor):

    oligo_com = dw.CommercialDnaOffer(
        name="Oligo.com",
        sequence_constraints=[dw.SequenceLengthConstraint(max_length=200)],
        pricing=dw.PerBasepairPricing(0.10),
        lead_time=7,
    )

    deluxe_dna_com = dw.CommercialDnaOffer(
        name="DeluxeDNA.com",
        sequence_constraints=[dw.SequenceLengthConstraint(max_length=4000)],
        pricing=dw.PerBasepairPricing(0.20),
        lead_time=10,
    )

    cheap_dna_com = dw.CommercialDnaOffer(
        name="CheapDNA.com",
        sequence_constraints=[
            dw.SequenceLengthConstraint(max_length=4000),
            dw.NoPatternConstraint(enzyme="AarI"),
            dw.NoPatternConstraint(enzyme="BsaI"),
            lambda seq: (0.4 < gc_content(seq) < 0.6),
        ],
        pricing=dw.PerBasepairPricing(0.10),
        lead_time=15,
    )

    # OLIGOS TO BLOCKS ASSEMBLY

    oligo_assembly_station = dw.DnaAssemblyStation(
        name="Oligo Assembly Station",
        assembly_method=dw.OligoAssemblyMethod(
            overhang_selector=dw.TmSegmentSelector(
                min_size=15, max_size=25, min_tm=50, max_tm=70
            ),
            min_segment_length=40,
            max_segment_length=200,
            sequence_constraints=[dw.SequenceLengthConstraint(max_length=1500)],
            duration=8,
            cost=2,
        ),
        supplier=oligo_com,
        coarse_grain=20,
        fine_grain=False,
        a_star_factor=a_star_factor,
    )

    # BLOCKS TO CHUNKS ASSEMBLY

    blocks_sources_comparator = dw.DnaSuppliersComparator(
        name="bs_comparator",
        suppliers=[oligo_assembly_station, cheap_dna_com, deluxe_dna_com],
        memoize=True,
    )

    gibson_blocks_assembly_station = dw.DnaAssemblyStation(
        name="Gibson Blocks Assembly",
        assembly_method=dw.GibsonAssemblyMethod(
            overhang_selector=dw.FixedSizeSegmentSelector(80),
            min_segment_length=1000,
            max_segment_length=4000,
            duration=8,
            cost=16,
        ),
        supplier=blocks_sources_comparator,
        coarse_grain=300,
        fine_grain=False,
        memoize=True,
        a_star_factor=a_star_factor,
    )

    goldengate_blocks_assembly_station = dw.DnaAssemblyStation(
        name="Golden Gate Blocks Assembly",
        assembly_method=dw.GoldenGateAssemblyMethod(
            enzyme="BsmBI",
            wildcard_basepair="A",
            min_segment_length=1000,
            max_segment_length=4000,
            duration=5,
            cost=6,
        ),
        supplier=blocks_sources_comparator,
        coarse_grain=400,
        fine_grain=False,
        memoize=True,
        a_star_factor=a_star_factor,
    )
    ecoli_genome_path = os.path.join(
        "..", "..", "data", "ecoli_blast_db", "ecoli"
    )
    ecoli_genome = dw.PcrExtractionStation(
        "E. coli Genome (PCR)",
        primers_supplier=oligo_com,
        homology_selector=dw.TmSegmentSelector(),
        blast_database=ecoli_genome_path,
        max_amplicon_length=10000,
        extra_time=3,
        extra_cost=1,
    )

    # CHUNKS TO MEGACHUNKS ASSEMBLY

    return dw.DnaAssemblyStation(
        name="Chunks assembly (Yeast)",
        assembly_method=dw.GibsonAssemblyMethod(
            overhang_selector=dw.FixedSizeSegmentSelector(300),
            min_segment_length=7000,
            max_segment_length=25000,
            duration=8,
        ),
        supplier=[
            ecoli_genome,
            goldengate_blocks_assembly_station,
            gibson_blocks_assembly_station,
        ],
        coarse_grain=1000,
        fine_grain=None,
        a_star_factor=a_star_factor,
        memoize=True,
    )
Пример #5
0
import dnaweaver as dw
import os

oligos_company = dw.CommercialDnaOffer(
    "OligoCompany",
    sequence_constraints=[dw.SequenceLengthConstraint(max_length=200)],
    pricing=dw.PerBasepairPricing(0.1))
ecoli_db_path = os.path.join('..', '..', 'data', 'ecoli_blast_db', 'ecoli')
pcr_station = dw.PcrExtractionStation(name="PCR station",
                                      max_overhang_length=50,
                                      homology_selector=dw.TmSegmentSelector(),
                                      primers_supplier=oligos_company,
                                      blast_database=ecoli_db_path,
                                      extra_cost=5)
assembly_station = dw.DnaAssemblyStation(
    name="Golden Gate assembly",
    assembly_method=dw.GoldenGateAssemblyMethod(enzyme='BsaI'),
    supplier=pcr_station,
    coarse_grain=100,
    fine_grain=0,
    logger='bar')

# LOAD THE (SITE-FREE) DESIRED SEQUENCE
desired_sequence = str(dw.load_record("desired_sequence.gb").seq)

# THIS LINE WILL PRE-BLAST THE SEQUENCE TO ACCELERATE COMPUTATIONS.
assembly_station.prepare_network_on_sequence(desired_sequence)

# FIND AN ASSEMBLY PLAN AND PRINT IT.
quote = assembly_station.get_quote(desired_sequence, with_assembly_plan=True)
print(quote.assembly_step_summary())