scheme locus data type alleles length varies standard length min length (setting) max length (setting) min length max_length full name/product aliases curators mrk mrkA DNA 1063 true 609 587 618 mrk mrkB DNA 1306 true 702 687 708 mrk mrkC DNA 4282 true 2487 2448 2502 mrk mrkD DNA 2756 true 996 963 1008 mrk mrkF DNA 1495 true 636 608 642 mrk mrkH DNA 1867 true 705 662 720 mrk mrkI DNA 1219 true 585 569 595 mrk mrkJ DNA 1406 true 717 701 734