U.S. flag

An official website of the United States government

GTR Home > Conditions/Phenotypes > KNOPS BLOOD GROUP SYSTEM

Available tests

4 tests are in the database for this condition.

Genes See tests for all associated and related genes

  • Also known as: C3BR, C4BR, CD35, KN, CR1
    Summary: complement C3b/C4b receptor 1 (Knops blood group)

IMPORTANT NOTE: NIH does not independently verify information submitted to the GTR; it relies on submitters to provide information that is accurate and not misleading. NIH makes no endorsements of tests or laboratories listed in the GTR. GTR is not a substitute for medical advice. Patients and consumers with specific questions about a genetic test should contact a health care provider or a genetics professional.