| Approved Symbol | Approved Name | Previous Symbols | Aliases | Chromosome | Accession Numbers | RefSeq IDs |
| DDX1 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 1 | | DBP-RB | 2p24 | X70649 | NM_004939 |
| DDX3X | DEAD (Asp-Glu-Ala-Asp) box polypeptide 3, X-linked | DDX3 | DBX, HLP2, DDX14 | Xp11.3-p11.23 | U50553 | NM_024005 |
| DDX3Y | DEAD (Asp-Glu-Ala-Asp) box polypeptide 3, Y-linked | DBY | | Yq11 | AF000984 | NM_004660 |
| DDX4 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 4 | | VASA | 5p15.2-p13.1 | AF262962 | NM_024415 |
| DDX5 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 5 | HLR1, G17P1 | p68 | 17q21 | AF015812 | NM_004396 |
| DDX6 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 6 | HLR2 | RCK | 11q23.3 | D17532 | NM_004397 |
| DDX6P | DEAD (Asp-Glu-Ala-Asp) box polypeptide 6 pseudogene | | DDX6-Lp, bA150A6.3 | 6p21 | | |
| DDX10 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 10 | | HRH-J8 | 11q22-q23 | U28042 | NM_004398 |
| DDX11 | DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 11 (CHL1-like helicase homolog, S. cerevisiae) | | CHLR1, KRG2, CHL1 | 12p11 | U75969 | NM_030653 |
| DDX11L1 | DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 11 like 1 | DDX11P | | 16p13.3 | | |
| DDX12 | DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 12 (CHL1-like helicase homolog, S. cerevisiae) | | CHLR2 | 12p13.31 | U33834 | XM_495908 |
| DDX17 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 17 | | P72 | 22q13.1 | U59321 | NM_030881 |
| DDX18 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 18 | | MrDb | 2q21.2 | X98743 | NM_006773 |
| DDX18P1 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 18 pseudogene 1 | | | 14q24.1 | | NG_002480 |
| DDX18P2 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 18 pseudogene 2 | | | 15q22.2 | | |
| DDX18P6 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 18 pseudogene 6 | | | 10q23 | | |
| DDX19A | DEAD (Asp-Glu-Ala-As) box polypeptide 19A | DDX19L | FLJ11126 | 16q22.1 | AF183422 | NM_018332 |
| DDX19B | DEAD (Asp-Glu-Ala-As) box polypeptide 19B | DDX19 | DBP5 | 16q22.3 | AJ237946 | NM_007242 |
| DDX20 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 20 | | DP103, GEMIN3 | 1p21.1-p13.2 | AF106019 | NM_007204 |
| DDX21 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 21 | | RH-II/GU, GURDB | 10q21 | U41387 | NM_004728 |
| DDX23 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 23 | | prp28, U5-100K, PRPF28 | 12q13.11 | AF026402 | NM_004818 |
| DDX24 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 24 | | | 14q32 | AF214731 | NM_020414 |
| DDX25 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 25 | | GRTH | 11q24 | AF155140 | NM_013264 |
| DDX26B | DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 26B | | FLJ41215 | Xq26 | AK096544 | NM_182540 |
| DDX27 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 27 | | dJ686N3.1, Rrp3p | 20q13.13 | AL049766 | |
| DDX28 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 28 | | MDDX28, FLJ11282 | 16q22.1-q22.3 | AF329821 | NM_018380 |
| DDX31 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 31 | | FLJ13633, FLJ23349, FLJ14578 | 9q34.2 | AF427339 | NM_138620 |
| DDX39 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 39 | | DDXL, BAT1L, URH49 | 19p13.13 | U90426 | NM_138998 |
| DDX41 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 41 | | ABS, MGC8828 | 5q35.3 | AF195417 | NM_016222 |
| DDX42 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 42 | | RNAHP, RHELP, SF3b125 | 17q23 | BC015505 | NM_007372 |
| DDX43 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 43 | | HAGE, DKFZp434H2114 | 6q12-q13 | | NM_018665 |
| DDX46 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 46 | | KIAA0801, FLJ25329, PRPF5 | 5q31.1 | | NM_014829 |
| DDX47 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 47 | | DKFZp564O176, FLJ30012, HQ0256 | 12p13.2 | AK127712 | NM_016355 |
| DDX49 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 49 | | FLJ10432 | 19p12 | | NM_019070 |
| DDX50 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 50 | | GU2, MGC3199, GUB, RH-II/GuB | 10q22.2 | AF334103 | NM_024045 |
| DDX50P1 | DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 50 pseudogene 1 | | | 2p22.3 | | NG_001065 |
| DDX50P2 | DEAD/H (Asp-Glu-Ala-Asp/His) box polypeptide 50 pseudogene 2 | | | 3q25.2 | | NG_001064 |
| DDX51 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 51 | | | 12q24.33 | BC040185 | NM_175066 |
| DDX52 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 52 | | ROK1 | 17q21.1 | AF077033 | NM_152300 |
| DDX53 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 53 | | CAGE | Xp22.13 | AY039237 | NM_182699 |
| DDX54 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 54 | | MGC2835, APR-5, DP97 | 12q24.11 | AF144056 | NM_024072 |
| DDX55 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 55 | | KIAA1595 | 12q24.31 | AB046815 | |
| DDX56 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 56 | | NOH61 | 7p13 | AJ131712 | NM_019082 |
| DDX58 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 58 | | RIG-I, FLJ13599, DKFZp434J1111 | 9p12 | AF038963 | NM_014314 |
| DDX59 | DEAD (Asp-Glu-Ala-Asp) box polypeptide 59 | | DKFZP564B1023, ZNHIT5 | 1q32.1 | BC041801 | NM_031306 |
| EIF4A3 | eukaryotic translation initiation factor 4A, isoform 3 | DDX48 | KIAA0111, EIF4AIII | 17q25.3 | BC004386 | NM_014740 |
| INTS6 | integrator complex subunit 6 | DDX26 | DICE1, HDB, Notchl2, DBI-1, DDX26A, INT6 | 13q14.12-q14.2 | AF097645 | NM_012141 |