• Compare Products

  • Table of Contents

Over-expression Lysates

Full-length human proteins as positive controls for antibody validation Boster offers a large collection of tagged over-expression lysates, a cost-effective assay standard for Western blot, ELISA, and other antibody assays.

Product Categories

Over-expression Lysates

  1. POLR3F (NM_006466) Human Over-expression Lysate

    POLR3F (NM_006466) Human Over-expression Lysate

    SKU:LS010621
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  2. ARID3B (NM_006465) Human Over-expression Lysate

    ARID3B (NM_006465) Human Over-expression Lysate

    SKU:LS010620
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  3. TGN46 (TGOLN2) (NM_006464) Human Over-expression Lysate

    TGN46 (TGOLN2) (NM_006464) Human Over-expression Lysate

    SKU:LS010618
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  4. AMSH (STAMBP) (NM_006463) Human Over-expression Lysate

    AMSH (STAMBP) (NM_006463) Human Over-expression Lysate

    SKU:LS010617
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  5. RBCK1 (NM_031229) Human Over-expression Lysate

    RBCK1 (NM_031229) Human Over-expression Lysate

    SKU:LS010616
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  6. MAP126 (SPAG5) (NM_006461) Human Over-expression Lysate

    MAP126 (SPAG5) (NM_006461) Human Over-expression Lysate

    SKU:LS010615
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  7. HEXIM1 (NM_006460) Human Over-expression Lysate

    HEXIM1 (NM_006460) Human Over-expression Lysate

    SKU:LS010614
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  8. RNF22 (TRIM3) (NM_006458) Human Over-expression Lysate

    RNF22 (TRIM3) (NM_006458) Human Over-expression Lysate

    SKU:LS010612
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  9. PDLIM5 (NM_006457) Human Over-expression Lysate

    PDLIM5 (NM_006457) Human Over-expression Lysate

    SKU:LS010611
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  10. ST6GALNAC2 (NM_006456) Human Over-expression Lysate

    ST6GALNAC2 (NM_006456) Human Over-expression Lysate

    SKU:LS010610
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  11. SC65 (P3H4) (NM_006455) Human Over-expression Lysate

    SC65 (P3H4) (NM_006455) Human Over-expression Lysate

    SKU:LS010609
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  12. MAD4 (MXD4) (NM_006454) Human Over-expression Lysate

    MAD4 (MXD4) (NM_006454) Human Over-expression Lysate

    SKU:LS010608
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  13. TBL3 (NM_006453) Human Over-expression Lysate

    TBL3 (NM_006453) Human Over-expression Lysate

    SKU:LS010607
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  14. PAICS (NM_001079525) Human Over-expression Lysate

    PAICS (NM_001079525) Human Over-expression Lysate

    SKU:LS010606
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  15. PAIP1 (NM_182789) Human Over-expression Lysate

    PAIP1 (NM_182789) Human Over-expression Lysate

    SKU:LS010605
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  16. SH2B2 (NM_020979) Human Over-expression Lysate

    SH2B2 (NM_020979) Human Over-expression Lysate

    SKU:LS010603
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  17. CDC42EP3 (NM_006449) Human Over-expression Lysate

    CDC42EP3 (NM_006449) Human Over-expression Lysate

    SKU:LS010602
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  18. USP16 (NM_006447) Human Over-expression Lysate

    USP16 (NM_006447) Human Over-expression Lysate

    SKU:LS010600
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  19. AHA1 (AHSA1) (NM_012111) Human Over-expression Lysate

    AHA1 (AHSA1) (NM_012111) Human Over-expression Lysate

    SKU:LS010598
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  20. TRAPPC2B (NR_002166) Human Over-expression Lysate

    TRAPPC2B (NR_002166) Human Over-expression Lysate

    SKU:LS010597
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  21. IRE1 (ERN2) (NM_033266) Human Over-expression Lysate

    IRE1 (ERN2) (NM_033266) Human Over-expression Lysate

    SKU:LS010595
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  22. RCL (DNPH1) (NM_006443) Human Over-expression Lysate

    RCL (DNPH1) (NM_006443) Human Over-expression Lysate

    SKU:LS010591
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  23. SCGN (NM_006998) Human Over-expression Lysate

    SCGN (NM_006998) Human Over-expression Lysate

    SKU:LS010590
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  24. NC2 alpha (DRAP1) (NM_006442) Human Over-expression Lysate

    NC2 alpha (DRAP1) (NM_006442) Human Over-expression Lysate

    SKU:LS010589
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  25. MTHFS (NM_006441) Human Over-expression Lysate

    MTHFS (NM_006441) Human Over-expression Lysate

    SKU:LS010588
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  26. MAB21L2 (NM_006439) Human Over-expression Lysate

    MAB21L2 (NM_006439) Human Over-expression Lysate

    SKU:LS010586
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  27. POMT1 (NM_001077366) Human Over-expression Lysate

    POMT1 (NM_001077366) Human Over-expression Lysate

    SKU:LS010585
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  28. COLEC10 (NM_006438) Human Over-expression Lysate

    COLEC10 (NM_006438) Human Over-expression Lysate

    SKU:LS010584
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  29. IFITM2 (NM_006435) Human Over-expression Lysate

    IFITM2 (NM_006435) Human Over-expression Lysate

    SKU:LS010581
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  30. SORBS1 (NM_001034955) Human Over-expression Lysate

    SORBS1 (NM_001034955) Human Over-expression Lysate

    SKU:LS010580
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  31. GNLY (NM_006433) Human Over-expression Lysate

    GNLY (NM_006433) Human Over-expression Lysate

    SKU:LS010578
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  32. NPC2 (NM_006432) Human Over-expression Lysate

    NPC2 (NM_006432) Human Over-expression Lysate

    SKU:LS010577
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  33. TCP1 beta (CCT2) (NM_006431) Human Over-expression Lysate

    TCP1 beta (CCT2) (NM_006431) Human Over-expression Lysate

    SKU:LS010576
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  34. TCP1 delta (CCT4) (NM_006430) Human Over-expression Lysate

    TCP1 delta (CCT4) (NM_006430) Human Over-expression Lysate

    SKU:LS010575
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  35. TCP1 eta (CCT7) (NM_006429) Human Over-expression Lysate

    TCP1 eta (CCT7) (NM_006429) Human Over-expression Lysate

    SKU:LS010574
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  36. MRPL28 (NM_006428) Human Over-expression Lysate

    MRPL28 (NM_006428) Human Over-expression Lysate

    SKU:LS010573
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  37. SIVA (SIVA1) (NM_006427) Human Over-expression Lysate

    SIVA (SIVA1) (NM_006427) Human Over-expression Lysate

    SKU:LS010572
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  38. CRMP3 (DPYSL4) (NM_006426) Human Over-expression Lysate

    CRMP3 (DPYSL4) (NM_006426) Human Over-expression Lysate

    SKU:LS010570
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  39. SLU7 (NM_006425) Human Over-expression Lysate

    SLU7 (NM_006425) Human Over-expression Lysate

    SKU:LS010569
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  40. SLC34A2 (NM_006424) Human Over-expression Lysate

    SLC34A2 (NM_006424) Human Over-expression Lysate

    SKU:LS010568
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  41. PRA1 (RABAC1) (NM_006423) Human Over-expression Lysate

    PRA1 (RABAC1) (NM_006423) Human Over-expression Lysate

    SKU:LS010567
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  42. BCA1 (CXCL13) (NM_006419) Human Over-expression Lysate

    BCA1 (CXCL13) (NM_006419) Human Over-expression Lysate

    SKU:LS010563
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  43. IFI44 (NM_006417) Human Over-expression Lysate

    IFI44 (NM_006417) Human Over-expression Lysate

    SKU:LS010561
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  44. SLC19A2 (NM_006996) Human Over-expression Lysate

    SLC19A2 (NM_006996) Human Over-expression Lysate

    SKU:LS010560
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  45. SLC35A1 (NM_006416) Human Over-expression Lysate

    SLC35A1 (NM_006416) Human Over-expression Lysate

    SKU:LS010559
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  46. SPTLC1 (NM_006415) Human Over-expression Lysate

    SPTLC1 (NM_006415) Human Over-expression Lysate

    SKU:LS010558
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  47. RPP30 (NM_006413) Human Over-expression Lysate

    RPP30 (NM_006413) Human Over-expression Lysate

    SKU:LS010556
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  48. AGPAT2 (NM_006412) Human Over-expression Lysate

    AGPAT2 (NM_006412) Human Over-expression Lysate

    SKU:LS010555
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  49. TIP30 (HTATIP2) (NM_006410) Human Over-expression Lysate

    TIP30 (HTATIP2) (NM_006410) Human Over-expression Lysate

    SKU:LS010553
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  50. ARPC1A (NM_001190996) Human Over-expression Lysate

    ARPC1A (NM_001190996) Human Over-expression Lysate

    SKU:LS010552
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  51. AGR2 (NM_006408) Human Over-expression Lysate

    AGR2 (NM_006408) Human Over-expression Lysate

    SKU:LS010551
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  52. Peroxiredoxin 4 (PRDX4) (NM_006406) Human Over-expression Lysate

    Peroxiredoxin 4 (PRDX4) (NM_006406) Human Over-expression Lysate

    SKU:LS010549
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  53. TM9SF1 (NM_006405) Human Over-expression Lysate

    TM9SF1 (NM_006405) Human Over-expression Lysate

    SKU:LS010548
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  54. PROCR (NM_006404) Human Over-expression Lysate

    PROCR (NM_006404) Human Over-expression Lysate

    SKU:LS010544
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  55. HBXIP (LAMTOR5) (NM_006402) Human Over-expression Lysate

    HBXIP (LAMTOR5) (NM_006402) Human Over-expression Lysate

    SKU:LS010542
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  56. PHAPI2 / APRIL (ANP32B) (NM_006401) Human Over-expression Lysate

    PHAPI2 / APRIL (ANP32B) (NM_006401) Human Over-expression Lysate

    SKU:LS010541
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  57. Dynamitin (DCTN2) (NM_006400) Human Over-expression Lysate

    Dynamitin (DCTN2) (NM_006400) Human Over-expression Lysate

    SKU:LS010540
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  58. TXNL2 (GLRX3) (NM_006541) Human Over-expression Lysate

    TXNL2 (GLRX3) (NM_006541) Human Over-expression Lysate

    SKU:LS010539
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  59. BATF (NM_006399) Human Over-expression Lysate

    BATF (NM_006399) Human Over-expression Lysate

    SKU:LS010538
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  60. Ubiquitin D (UBD) (NM_006398) Human Over-expression Lysate

    Ubiquitin D (UBD) (NM_006398) Human Over-expression Lysate

    SKU:LS010537
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  61. Ribonuclease H2, subunit A (RNASEH2A) (NM_006397) Human Over-expression Lysate

    Ribonuclease H2, subunit A (RNASEH2A) (NM_006397) Human Over-expression Lysate

    SKU:LS010535
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  62. ZNRD2 (NM_006396) Human Over-expression Lysate

    ZNRD2 (NM_006396) Human Over-expression Lysate

    SKU:LS010534
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  63. ATG7 (NM_006395) Human Over-expression Lysate

    ATG7 (NM_006395) Human Over-expression Lysate

    SKU:LS010533
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  64. PITRM1 (NM_014889) Human Over-expression Lysate

    PITRM1 (NM_014889) Human Over-expression Lysate

    SKU:LS010531
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  65. Nebulette (NEBL) (NM_213569) Human Over-expression Lysate

    Nebulette (NEBL) (NM_213569) Human Over-expression Lysate

    SKU:LS010529
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  66. NOL5A (NOP56) (NM_006392) Human Over-expression Lysate

    NOL5A (NOP56) (NM_006392) Human Over-expression Lysate

    SKU:LS010528
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  67. KAT5 (NM_182710) Human Over-expression Lysate

    KAT5 (NM_182710) Human Over-expression Lysate

    SKU:LS010524
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  68. CHERP (NM_006387) Human Over-expression Lysate

    CHERP (NM_006387) Human Over-expression Lysate

    SKU:LS010523
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  69. CIB1 (NM_006384) Human Over-expression Lysate

    CIB1 (NM_006384) Human Over-expression Lysate

    SKU:LS010519
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  70. CIB2 (NM_006383) Human Over-expression Lysate

    CIB2 (NM_006383) Human Over-expression Lysate

    SKU:LS010518
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  71. Fibulin 5 (FBLN5) (NM_006329) Human Over-expression Lysate

    Fibulin 5 (FBLN5) (NM_006329) Human Over-expression Lysate

    SKU:LS010516
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  72. MYBBP1A (NM_014520) Human Over-expression Lysate

    MYBBP1A (NM_014520) Human Over-expression Lysate

    SKU:LS010514
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  73. Semaphorin 3c (SEMA3C) (NM_006379) Human Over-expression Lysate

    Semaphorin 3c (SEMA3C) (NM_006379) Human Over-expression Lysate

    SKU:LS010512
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  74. SEMA4B (NM_020210) Human Over-expression Lysate

    SEMA4B (NM_020210) Human Over-expression Lysate

    SKU:LS010509
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  75. Semaphorin 4D (SEMA4D) (NM_006378) Human Over-expression Lysate

    Semaphorin 4D (SEMA4D) (NM_006378) Human Over-expression Lysate

    SKU:LS010507
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  76. SEMA4F (NM_004263) Human Over-expression Lysate

    SEMA4F (NM_004263) Human Over-expression Lysate

    SKU:LS010505
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  77. SEMA6B (NM_032108) Human Over-expression Lysate

    SEMA6B (NM_032108) Human Over-expression Lysate

    SKU:LS010501
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  78. SEMA6C (NM_001178061) Human Over-expression Lysate

    SEMA6C (NM_001178061) Human Over-expression Lysate

    SKU:LS010500
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  79. NCOA2 (NM_006540) Human Over-expression Lysate

    NCOA2 (NM_006540) Human Over-expression Lysate

    SKU:LS010499
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  80. PRMT4 (CARM1) (NM_199141) Human Over-expression Lysate

    PRMT4 (CARM1) (NM_199141) Human Over-expression Lysate

    SKU:LS010498
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  81. ENOX2 (NM_006375) Human Over-expression Lysate

    ENOX2 (NM_006375) Human Over-expression Lysate

    SKU:LS010495
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  82. STK25 (NM_006374) Human Over-expression Lysate

    STK25 (NM_006374) Human Over-expression Lysate

    SKU:LS010494
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  83. VAT1 (NM_006373) Human Over-expression Lysate

    VAT1 (NM_006373) Human Over-expression Lysate

    SKU:LS010493
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  84. hnRNP Q (SYNCRIP) (NM_006372) Human Over-expression Lysate

    hnRNP Q (SYNCRIP) (NM_006372) Human Over-expression Lysate

    SKU:LS010492
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  85. CRTAP (NM_006371) Human Over-expression Lysate

    CRTAP (NM_006371) Human Over-expression Lysate

    SKU:LS010491
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  86. VTI1B (NM_006370) Human Over-expression Lysate

    VTI1B (NM_006370) Human Over-expression Lysate

    SKU:LS010490
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  87. LRRC41 (NM_006369) Human Over-expression Lysate

    LRRC41 (NM_006369) Human Over-expression Lysate

    SKU:LS010489
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  88. CREB3 (NM_006368) Human Over-expression Lysate

    CREB3 (NM_006368) Human Over-expression Lysate

    SKU:LS010488
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  89. CAP1 (NM_006367) Human Over-expression Lysate

    CAP1 (NM_006367) Human Over-expression Lysate

    SKU:LS010487
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  90. CAP2 (NM_006366) Human Over-expression Lysate

    CAP2 (NM_006366) Human Over-expression Lysate

    SKU:LS010486
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  91. MIR9-1HG (NM_006365) Human Over-expression Lysate

    MIR9-1HG (NM_006365) Human Over-expression Lysate

    SKU:LS010485
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  92. SEC23 (SEC23A) (NM_006364) Human Over-expression Lysate

    SEC23 (SEC23A) (NM_006364) Human Over-expression Lysate

    SKU:LS010484
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  93. SEC23B (NM_006363) Human Over-expression Lysate

    SEC23B (NM_006363) Human Over-expression Lysate

    SKU:LS010483
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  94. NXF1 (NM_006362) Human Over-expression Lysate

    NXF1 (NM_006362) Human Over-expression Lysate

    SKU:LS010482
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  95. HOXB13 (NM_006361) Human Over-expression Lysate

    HOXB13 (NM_006361) Human Over-expression Lysate

    SKU:LS010481
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  96. PCID1 (EIF3M) (NM_006360) Human Over-expression Lysate

    PCID1 (EIF3M) (NM_006360) Human Over-expression Lysate

    SKU:LS010480
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  97. SLC9A6 (NM_006359) Human Over-expression Lysate

    SLC9A6 (NM_006359) Human Over-expression Lysate

    SKU:LS010479
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$960
  98. SLC25A17 (NM_006358) Human Over-expression Lysate

    SLC25A17 (NM_006358) Human Over-expression Lysate

    SKU:LS010478
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  99. UBE2E3 (NM_006357) Human Over-expression Lysate

    UBE2E3 (NM_006357) Human Over-expression Lysate

    SKU:LS010477
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628
  100. ATP5PD (NM_006356) Human Over-expression Lysate

    ATP5PD (NM_006356) Human Over-expression Lysate

    SKU:LS010476
    Reactivity:Human
    Size:20 µg, 100 µg
    Price:$628

Showing 1–100 of 100 on this page · 15019 products

Displaying Items 9001-9100 of 15019

Filters

Validated Species