Strain Name:
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Gene Information

Allele Symbol: 1110034G24Rikem1Mbp (Mus musculus (mouse))
Name: endonuclease-mediated mutation 1, Mouse Biology Program
Chromosome: 2
Alteration at locus: Targeted Mutation
Monarch Initiative (Disease and Phenotype Associations):
Gene Symbol: Shld1 (Mus musculus (mouse))
Name: shieldin complex subunit 1
Synonyms: 1110034G24Rik
Chromosome: 2
Alteration at locus: Targeted Mutation
Monarch Initiative (Disease and Phenotype Associations): MGI:1920997
Genetic Alterations
Exon 2 ENSMUSE00000346493 had 82 bp deleted from the 30th coding nucleotide through the 111th coding nucleotide from the 1110034G24Rik gene ENSMUST00000061891.10 using CRISPR Cas9 gene editing technology in mouse zygotes.)
Genotype Determination
ES Cell Line
MeSH Terms
    Strain Development
    CRISPR guide(s) and Cas9 protein were microinjected or electroporated into C57BL/6NCrl zygotes and progeny were screened for the desired mutation. Founders were mated to C57BL/6NCrl breeders, and derived N1 progeny were identified by PCR and/or sequencing. N1 were then mated again to C57BL/6NCrl breeders, to generate N2 mice, identified by PCR and/or sequencing. N2 heterozygous mutant mice were mated for production of phenotyping cohorts, and N2 or N2F1 mice were used for cryopreservation purposes.
    Suggested Control Mice
    C57BL/6NCrl or wild-type from colony
    Kent Lloyd , D.V.M., Ph.D., University of California, Davis.

    Colony and Husbandry Information

    Colony Surveillance Program and Current Health Reports

    For more information about this colony's health status contact
    Coat Color
    Overall Breeding Performance
    Average litter size
    Average Pups Weaned

    Order Request Information

    Limited quantities of breeder mice (up to 2 males and 2 females or 4 mice) per investigator per month are available from a live colony, usually available to ship in under 12 weeks. Larger quantities may be available, please contact the distributing center directly at for more details.

    Distribution of this strain requires submission of the MMRRC Conditions of Use (COU). A link to the COU web form will be provided via email after an order has been placed; the form should be completed then or the email forwarded to your institutional official for completion.

    The donor or their institution limits the distribution to non-profit institutions only.

    Additional charges may apply for any special requests. Shipping costs are in addition to the basic distribution/resuscitation fees. Information on shipping costs and any additional charges will be provided by the supplying MMRRC facility.

    Click button to Request this one strain. (Use the MMRRC Catalog Search to request more than one strain.)
    MMRRC Item # Description Distribution Fee / Unit (US $) Units Notes
    Heterozygous / Hemizygous Female
    Heterozygous / Hemizygous Male
    $218.00 / Non-Profit Per Mouse The may assess additional fees for any special requests (e.g., specific age or weight of mice, etc.).
    available service Rederivation to a Barrier Facility $2,800.00 / Non-Profit Per Mouse These mice were derived as part of the NIH Knockout Production and Phenotyping Project at the Mouse Biology Program (MBP) at UC Davis. To ensure rapid availability they are being offered as live mice from the MBP production facility, which is not within the M3 Barrier Facility that the MMRRC at UC Davis normally distributes from. Therefore if your institution has approved MMRRC at UC Davis as a vendor, we recommend selecting Rederivation to a Barrier Facility, or discussing this with your animal health coordinator prior to placing the order
    043862-UCD-SPERM Cryo-preserved spermatozoa $546.25 / Non-Profit Aliquot Approximate quantity2

    1 The distribution fee covers the expense of resuscitating mice from the cryo-archive; you will receive the resulting litter. The litter will contain at minimum one mutant carrier; the actual number of animals and the gender and genotype ratios will vary. (Typically, multiple breeder pairs can be established from the recovered litter.) Prior to shipment, the MMRRC will provide information about the animals recovered. If you anticipate or find that you need to request specific genotypes, genders or quantities of mice in excess of what is likely from a resuscitated litter, you may discuss available options and pricing with the supplying MMRRC facility.

    2 An aliquot is one straw or vial with sufficient sperm to recover at least one litter of mice, as per provided protocols, when performed at the MMRRC facility. The MMRRC makes no guarantee concerning the success of these procedures when performed outside the MMRRC facilities.

    3 An aliquot contains a sufficient number of embryos (in one or more vials and based on the transfer success rate of the MMRRC facility) to transfer to at least two recipients. The MMRRC makes no guarantee concerning embryo transfer success experienced in the recipient investigator's laboratory. Neither gender nor genotype ratios are guaranteed.

    To request material from the MMRRC: Please fill out our on-line request form (accessible from the catalog search results page, or click the Request this Strain button in the fees section). If you have questions or need assistance completing this form, you may call Customer Service at (800) 910-2291 (in USA or Canada) or (530) 757-5710 (international calls). Before you call, please have with you: the MMRRC item number, quantity needed, Bill-to and Ship-to contact information.