Table 1. Wheat expansin genes identified in this study.

Gene ID	Name	Chromo-some	Protien length	Mw(Da)	pI	GRAVY	SP	DPBB_1 domain	Pollen_allerg_1 domain
TRIAE_CS42_3AL_TGACv1_194727_AA0638220	TaEXPA3-A	3A	251	26231.3	6.78	-0.004	1–24	64–149	162–233
TRIAE_CS42_3B_TGACv1_223925_AA0789720	TaEXPA3-B1	3B	251	26248.2	6.78	-0.018	1–24	64–149	162–233
TRIAE_CS42_3B_TGACv1_222333_AA0762340	TaEXPA3-B2	3B	251	26232.2	6.78	-0.024	1–24	64–149	162–233
TRIAE_CS42_3DL_TGACv1_250798_AA0873340	TaEXPA3-D1	3D	251	26270.3	6.78	-0.006	1–24	64–149	162–233
TRIAE_CS42_3DL_TGACv1_253727_AA0895440	TaEXPA3-D2	3D	251	26226.3	6.78	0.006	1–24	64–149	162–233
TRIAE_CS42_3AL_TGACv1_199377_AA0669710	TaEXPA4-A	3A	249	27113.4	7.48	-0.122	1–22	59–146	159–230
TRIAE_CS42_3B_TGACv1_223005_AA0774980	TaEXPA4-B	3B	249	27035.2	6.52	-0.143	1–22	59–146	159–230
TRIAE_CS42_3DL_TGACv1_250306_AA0865790	TaEXPA4-D	3D	249	26914.1	6.52	-0.12	1–22	59–146	159–230
TRIAE_CS42_3AS_TGACv1_211321_AA0688560	TaEXPA5-A	3A	252	26769.3	9.23	-0.088	1–22	60–148	161–232
TRIAE_CS42_3B_TGACv1_224402_AA0796400	TaEXPA5-B	3B	257	27391.1	9.17	-0.089	1–22	66–153	166–237
F775_32564	TaEXPA5-D		277	29527.6	9.27	-0.075	1–22	60–147	160–231
TRIAE_CS42_4AS_TGACv1_306950_AA1015420	TaEXPA6-A	4A	254	27799.5	7.46	0.031	1–22	63–149	162–233
TRIAE_CS42_4BL_TGACv1_320333_AA1035610	TaEXPA6-B	4B	254	27718.4	7.48	0.036	1–24	63–149	162–233
TRIAE_CS42_4DL_TGACv1_344422_AA1147040	TaEXPA6-D	4D	254	27746.4	7.48	0.039	1–24	63–149	162–233
TRIAE_CS42_2AL_TGACv1_095133_AA0307290	TaEXPA7-A	2A	258	27670.7	8.09	0.072	1–19	68–154	167–234
TRIAE_CS42_2BL_TGACv1_129425_AA0383180	TaEXPA7-B	2B	258	27670.7	8.09	0.071	1–19	68–154	167–234
TRIAE_CS42_2DL_TGACv1_161611_AA0559500	TaEXPA7-D	2D	258	27684.7	8.09	0.068	1–19	68–154	167–234
TRIAE_CS42_3AS_TGACv1_212410_AA0700630	TaEXPA8-A	3A	246	25486.6	7.55	0.107	1–20	60–144	157–228
TRIAE_CS42_3B_TGACv1_224406_AA0796470	TaEXPA8-B	3B	246	25520.6	7.54	0.081	1–20	60–144	157–228
TRIAE_CS42_3DS_TGACv1_272528_AA0921790	TaEXPA8-D	3D	246	25460.5	7.54	0.08	1–20	60–144	157–228
TRIAE_CS42_5AL_TGACv1_374454_AA1200520	TaEXPA9-A	5A	268	28813.8	9.4	-0.048	1–29	76–164	177–248
TRIAE_CS42_5BL_TGACv1_406965_AA1351930	TaEXPA9-B	5B	266	28546.4	9.51	-0.069	1–27	74–162	175–246
TRIAE_CS42_5DL_TGACv1_435145_AA1446640	TaEXPA9-D	5D	266	28589.5	9.61	-0.039	1–27	74–162	175–246
TRIAE_CS42_4AS_TGACv1_307970_AA1024860	TaEXPA12-A	4A	259	27673.7	9.05	-0.012	1–24	66–155	168–240
TRIAE_CS42_4BL_TGACv1_321137_AA1056060	TaEXPA12-B	4B	282	30232.7	9.45	-0.009	1–24	66–155	168–240
TRIAE_CS42_4DL_TGACv1_342474_AA1114540	TaEXPA12-D	4D	259	27646.8	9.05	0.021	1–24	66–155	168–240
TRIAE_CS42_1AL_TGACv1_000407_AA0011360	TaEXPA13-A	1A	256	27735.5	6.78	0.094	1–26	65–151	164–235
TRIAE_CS42_5BL_TGACv1_404293_AA1294240	TaEXPA13-B	5B	256	27817.5	6.67	0.082	1–26	65–151	164–235
TRIAE_CS42_5DL_TGACv1_433714_AA1420290	TaEXPA13-D	5D	256	27811.5	6.78	0.083	1–26	65–151	164–235
TRIAE_CS42_1AL_TGACv1_000407_AA0011380	TaEXPA14-A	1A	254	27531.2	7.46	0.059	1–16	63–149	162–233
TRIAE_CS42_5BL_TGACv1_405270_AA1323630	TaEXPA14-B	5B	254	27497.1	8.05	0.065	1–16	63–149	162–233
TRIAE_CS42_5DL_TGACv1_433714_AA1420300	TaEXPA14-D	5D	255	27699.5	8.05	0.071	1–17	64–150	171–250
TRIAE_CS42_4AS_TGACv1_309318_AA1030760	TaEXPA15-A	4A	258	27651.7	8.96	-0.032	1–24	65–154	167–239
TRIAE_CS42_4BL_TGACv1_320437_AA1039060	TaEXPA15-B	4B	259	27489.5	8.79	0.084	1–24	66–155	168–240
F775_12787	TaEXPA15-D		259	27503.5	9.01	0.048	1–24	66–155	168–240
TRIAE_CS42_4AS_TGACv1_308797_AA1029560	TaEXPA16-A	4A	257	27081.2	9.11	-0.144	1–29	66–153	166–237
TRIAE_CS42_4BL_TGACv1_321802_AA1065630	TaEXPA16-B	4B	257	27217.5	8.99	-0.149	1–29	66–153	166–237
TRIAE_CS42_4DL_TGACv1_343034_AA1128010	TaEXPA16-D	4D	257	27108.3	9.01	-0.145	1–29	66–153	166–237
TRIAE_CS42_3AS_TGACv1_210583_AA0675440	TaEXPA17-A	3A	258	27696.8	8.73	-0.054	1–24	67–154	166–238
TRIAE_CS42_3B_TGACv1_227374_AA0823100	TaEXPA17-B	3B	261	28065.2	9.03	-0.091	1–24	67–156	169–241
TRIAE_CS42_3DS_TGACv1_271478_AA0899830	TaEXPA17-D	3D	261	28071.4	8.94	-0.051	1–24	67–156	169–241
TRIAE_CS42_1AL_TGACv1_000844_AA0020230	TaEXPA18-A	1A	259	27480.3	8.91	0.069	1–24	67–153	171–238
TRIAE_CS42_1BL_TGACv1_031377_AA0112820	TaEXPA18-B	1B	261	27682.6	8.91	0.081	1–29	69–155	173–240
TRIAE_CS42_1DL_TGACv1_062518_AA0215780	TaEXPA18-D	1D	259	27481.4	8.91	0.096	1–24	67–153	171–238
TRIAE_CS42_4AL_TGACv1_291883_AA0996900	TaEXPA19-A	4A	255	27641	8.05	-0.091	1–25	65–151	164–234
TRIAE_CS42_5BL_TGACv1_406879_AA1351000	TaEXPA19-B	5B	255	27632.1	8.56	-0.1	1–25	65–151	164–235
TRIAE_CS42_5DL_TGACv1_434954_AA1444020	TaEXPA19-D	5D	255	27581.9	8.35	-0.104	1–25	65–151	164–234
TRIAE_CS42_4AS_TGACv1_307135_AA1017450	TaEXPA20-A	4A	253	27107.8	8.32	0.045	1–24	61–148	161–232
TRIAE_CS42_4BL_TGACv1_320333_AA1035620	TaEXPA20-B	4B	253	27097.7	8.53	0.032	1–24	62–148	161–232
TRIAE_CS42_4DL_TGACv1_343034_AA1128030	TaEXPA20-D	4D	250	26696.2	8.32	0.062	1–24	62–145	158–229
TRIAE_CS42_5AL_TGACv1_374723_AA1207410	TaEXPA21-A	5A	282	29824.6	10.68	-0.602	1–24	65–140
TRIAE_CS42_5BL_TGACv1_407229_AA1354640	TaEXPA21-B	5B	259	27737.6	8.96	-0.027	1–25	66–154	167–238
TRIAE_CS42_5DL_TGACv1_433521_AA1415520	TaEXPA21-D	5D	293	32414.9	10.24	-0.438		45–133	146–217
TRIAE_CS42_4AS_TGACv1_306914_AA1015010	TaEXPA22-A	4A	253	27566.2	6.24	0.091	1–24	62–148	161–232
TRIAE_CS42_4BL_TGACv1_320277_AA1033630	TaEXPA22-BI	4B	253	27445.1	6.24	0.083	1–24	62–148	161–232
TRIAE_CS42_4BL_TGACv1_320277_AA1033640	TaEXPA22-B2	4B	247	27172.6	6.38	-0.031	1–20	58–144	155–226
TRIAE_CS42_4DL_TGACv1_343032_AA1127880	TaEXPA22-D1	4D	253	27545.2	5.84	0.083	1–24	62–148	161–232
TRIAE_CS42_4DL_TGACv1_345231_AA1152290	TaEXPA22-D2	4D	253	27678.4	6.24	0.046	1–24	62–148	161–232
TRIAE_CS42_2AS_TGACv1_114363_AA0366370	TaEXPA23-A	2A	261	27546	8.9	0.007	1–24	69–157	170–240
TRIAE_CS42_2BS_TGACv1_146019_AA0453260	TaEXPA23-B	2B	262	27524.9	8.9	-0.003	1–29	70–158	171–241
TRIAE_CS42_2DS_TGACv1_177171_AA0567520	TaEXPA23-D	2D	261	27547	8.9	0.035	1–28	69–157	170–240
TRIAE_CS42_3AS_TGACv1_210530_AA0674760	TaEXPA24-A		264	28433.5	8.56	-0.076	1–23	71–160	173–245
TRAES3BF143800010CFD	TaEXPA24-B	3B	264	28442.4	8.06	-0.058	1–23	71–160	173–245
F775_19619	TaEXPA24-D		264	28386.3	8.61	-0.089	1–23	71–160	173–245
TRIAE_CS42_4BL_TGACv1_320333_AA1035630	TaEXPA25-B	4B	259	27424	6.87	0.043	1–22	66–154	167–237
TRIAE_CS42_4DL_TGACv1_343034_AA1128020	TaEXPA25-D	4D	258	27123.7	7.55	0.153	1–25	65–153	166–236
Traes_7DL_5812FED4E	TaEXPA26-D	7D	268	28389.3	8.98	-0.075	1–22	61–174	184–264
TRIAE_CS42_7AL_TGACv1_556942_AA1773860	TaEXPA27-A	7A	260	27811.6	7.48	-0.017	1–20	69–156	169–240
TRIAE_CS42_7BL_TGACv1_577039_AA1863550	TaEXPA27-B	7B	262	28059.9	7.48	-0.021	1–22	71–158	171–242
TRIAE_CS42_7DL_TGACv1_604808_AA2001830	TaEXPA27-D	7D	261	27972.8	7.46	-0.001	1–21	70–157	170–241
TRIAE_CS42_4BL_TGACv1_320437_AA1039040	TaEXPA28-B	4B	259	27607.8	8.7	0.116	1–24	49–165	175–255
TRIAE_CS42_4BL_TGACv1_320277_AA1033650	TaEXPA29-B	4B	253	27737.4	6.78	0.041	1–24	44–158	168–247
TRIAE_CS42_1AL_TGACv1_002200_AA0039680	TaEXPB1-A	1A	265	28714.1	4.98	-0.264	1–24	78–156	170–245
TRIAE_CS42_1BL_TGACv1_034214_AA0143800	TaEXPB1-B	1B	270	29277.7	4.98	-0.236	1–24	83–161	175–250
TRIAE_CS42_1DL_TGACv1_062107_AA0208850	TaEXPB1-D	1D	264	28687.1	4.98	-0.248	1–24	77–155	169–244
TRIAE_CS42_1AL_TGACv1_000456_AA0012510	TaEXPB8-A	6A	273	29962.9	9.39	-0.274	1–26	80–160	174–253
TRIAE_CS42_1BL_TGACv1_031113_AA0108080	TaEXPB8-B	6B	273	29736.7	9.06	-0.194	1–26	80–160	174–253
TRIAE_CS42_1DL_TGACv1_063167_AA0224540	TaEXPB8-D	6D	273	29890.8	9.48	-0.259	1–26	80–160	174–253
TRIAE_CS42_6AS_TGACv1_485310_AA1542890	TaEXPB7-A	1A	270	29137.9	6.5	-0.181	1–26	83–161	175–250
TRIAE_CS42_6BS_TGACv1_513750_AA1648570	TaEXPB7-B	1B	270	29219.1	6.5	-0.127	1–26	83–161	175–250
TRIAE_CS42_6DS_TGACv1_542511_AA1723160	TaEXPB7-D	1D	270	29203	6.93	-0.174	1–26	83–161	175–250
TRIAE_CS42_1AL_TGACv1_003247_AA0048900	TaEXPB10-A	1A	271	29853.7	8.81	-0.256	1–24	78–158	172–251
TRIAE_CS42_1BL_TGACv1_032979_AA0135990	TaEXPB10-B	1B	271	29976.9	8.81	-0.269	1–24	78–158	172–251
TRIAE_CS42_1DL_TGACv1_062861_AA0221130	TaEXPB10-D	1D	271	30037	8.81	-0.259	1–24	78–158	172–251
TRIAE_CS42_2AL_TGACv1_093830_AA0287660	TaEXPB12-A	2A	281	29498.3	9.17	-0.125	1–25	80–160	174–260
TRIAE_CS42_2BL_TGACv1_129731_AA0394090	TaEXPB12-B	2B	281	29494.3	9.16	-0.104	1–25	80–160	174–260
TRIAE_CS42_2DL_TGACv1_158079_AA0508190	TaEXPB12-D	2D	281	29496.3	9.16	-0.105	1–25	80–160	174–260
TRIAE_CS42_6AL_TGACv1_471607_AA1511690	TaEXPB13-A	6A	289	30322.7	9.45	-0.136	1–25	99–180	194–269
TRIAE_CS42_6BL_TGACv1_500765_AA1609400	TaEXPB13-B	3B	289	30349.1	9.49	0.002	1–25	99–180	194–269
TRIAE_CS42_6DL_TGACv1_527377_AA1703040	TaEXPB13-D	6D	289	30308.7	9.45	-0.139	1–25	99–180	194–269
TRIAE_CS42_5AS_TGACv1_393897_AA1277020	TaEXPB14-A	5A	323	35331.1	6.64	-0.215	1–26	108–186	200–281
TRIAE_CS42_5BS_TGACv1_423497_AA1378190	TaEXPB14-B	5B	341	37470.6	7.51	-0.094	1–27	107–185	199–280
TRIAE_CS42_5DS_TGACv1_457565_AA1487840	TaEXPB14-D	5D	347	38014.2	7.95	-0.135	1–28	113–191	205–286
TRIAE_CS42_2AL_TGACv1_094343_AA0296260	TaEXPB15-A	2A	265	28794.1	9.07	-0.163	1–22	78–156	171–245
TRIAE_CS42_2BL_TGACv1_131181_AA0424020	TaEXPB15-B	2B	265	28791.1	9.22	-0.174	1–22	78–156	171–245
TRIAE_CS42_2DL_TGACv1_159779_AA0542610	TaEXPB15-D	2D	265	28779	9.24	-0.217	1–23	78–156	171–245
TRIAE_CS42_6AL_TGACv1_471087_AA1502540	TaEXPB16-A	6A	287	29956.1	8.74	-0.114	1–26	94–176	190–267
TRIAE_CS42_6BL_TGACv1_503053_AA1627120	TaEXPB16-B	6B	287	30016.3	8.85	-0.083	1–26	94–176	190–267
TRIAE_CS42_6DL_TGACv1_526554_AA1687000	TaEXPB16-D	6D	287	30107.2	8.74	-0.135	1–26	94–176	190–267
TRIAE_CS42_6AL_TGACv1_471607_AA1511700	TaEXPB17-A	6A	265	27780.1	5.56	-0.099	1–27	74–155	169–245
TRIAE_CS42_6DL_TGACv1_526693_AA1690080	TaEXPB17-D	6D	266	27750.3	6.27	-0.042	1–27	74–156	170–246
TRIAE_CS42_2AL_TGACv1_093830_AA0287650	TaEXPB18-A	2A	261	27787.7	8.69	-0.269	1–27	65–145	159–240
TRIAE_CS42_2BL_TGACv1_129731_AA0394080	TaEXPB18-B	2B	261	27912.8	8.8	-0.271	1–27	65–145	159–240
TRIAE_CS42_2DL_TGACv1_158079_AA0508200	TaEXPB18-D	2D	261	27859.7	8.57	-0.281	1–27	65–145	159–240
TRIAE_CS42_1AL_TGACv1_003486_AA0050020	TaEXPB19-A	1A	274	30222.4	9.44	-0.362	1–25	83–161	175–254
TRIAE_CS42_1BL_TGACv1_030851_AA0102320	TaEXPB19-B	1B	274	30186.5	9.36	-0.303	1–25	83–161	175–254
TRIAE_CS42_1DL_TGACv1_062107_AA0208840	TaEXPB19-D	1D	274	30189.4	9.44	-0.339	1–25	83–161	175–254
TRIAE_CS42_3B_TGACv1_222229_AA0760180	TaEXPB20-B	3B	300	31366.2	5.17	-0.205	1–25	108–188	202–279
TRIAE_CS42_3DL_TGACv1_250163_AA0863360	TaEXPB20-D	3D	314	32644.6	5.15	-0.239	1–27	122–202	216–293
TRIAE_CS42_5AL_TGACv1_375143_AA1216890	TaEXPB21-A	5A	308	32331.6	5.13	0.122	1–26	73–164	178–254
TRIAE_CS42_5BL_TGACv1_404585_AA1305050	TaEXPB21-B	5B	309	32456.8	5.48	0.09	1–26	73–164	178–255
TRIAE_CS42_5DL_TGACv1_433716_AA1420380	TaEXPB21-D	5D	308	32213.5	5.43	0.119	1–26	73–164	178–254
TRIAE_CS42_2AS_TGACv1_115226_AA0371610	TaEXPB22-A	2A	253	26463	8.31	-0.02	1–27	65–146	160–233
TRIAE_CS42_2BS_TGACv1_146193_AA0458020	TaEXPB22-B	2B	252	26420.9	8.31	0	1–26	64–145	159–232
TRIAE_CS42_2DS_TGACv1_179985_AA0609770	TaEXPB22-D	2D	254	26741.4	7.5	0.045	1–27	65–146	160–233
TRIAE_CS42_2AL_TGACv1_093830_AA0287670	TaEXPB24-A	2A	262	26924.6	7.52	0.188	1–26	73–153	167–242
TRIAE_CS42_2BL_TGACv1_129731_AA0394100	TaEXPB24-B	2B	262	26981.6	8.05	0.121	1–26	73–153	167–242
TRIAE_CS42_2DL_TGACv1_158079_AA0508180	TaEXPB24-D	2D	262	26873.5	7.52	0.2	1–26	73–153	167–242
TRIAE_CS42_5AL_TGACv1_374686_AA1206430	TaEXLA1-A	5A	275	29628	9.5	-0.062	1–30	69–132	161–238
TRIAE_CS42_4BL_TGACv1_320494_AA1041290	TaEXLA1-B	4B	275	29527	9.39	-0.013	1–30	69–132	161–238
Traes_4DL_74A03B3BE	TaEXLA1-D	4D	277	29663.2	9.35	-0.01	1–32	71–134	163–240
TRIAE_CS42_5AL_TGACv1_377017_AA1243240	TaEXLA2-A	5A	273	28875	8.78	0.025	1–27	66–144	159–236
TRIAE_CS42_4BL_TGACv1_322143_AA1068920	TaEXLA2-B	4B	268	28615.6	8.31	-0.045	1–22	61–139	154–231
TRIAE_CS42_4DL_TGACv1_344616_AA1148420	TaEXLA2-D	4D	273	28934.9	7.98	-0.004	1–27	66–144	159–236
TRIUR3_10907	TaEXLA3-A		270	28368.8	5.61	-0.083		63–141	155–232
TRIAE_CS42_2BL_TGACv1_129773_AA0395490	TaEXLA3-B	2B	271	28685.5	5.75	-0.023	1–25	64–142	157–225
Traes_4DL_7453A191F	TaEXLA3-D	4D	271	28883.9	6.71	-0.023	1–25	64–142	156–233
Traes_4DL_C95A997A8	TaEXLA4-D	4D	270	28670.5	5.39	0.048	1–25	68–142	156–232

New genes were named following the known genes. Protein length, SP, and two domains were shown beside amino acids numbers. MW, molecular weight; pI, isoelectric point.