6S8Q: Human Brr2 Helicase Region

Human Brr2 Helicase Region in complex with C-tail deleted Jab1. Determined by X-ray diffraction at 2.39 Å resolution. Released 22 Jan 2020.

Method: X-ray diffraction
Resolution: 2.39 Å
Organism: Homo sapiens
Chains: 2
Atoms: 16,866
Mol. weight: 229.99 kDa
Released: 22 Jan 2020

Explore 6S8Q in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6S8Q contains 119 α-helices and 87 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain B: 106 helices, 72 β-strands

Element	Residues	Length	Sheet
α-helix	411-414	4
α-helix	419-421	3
α-helix	429-431	3
β-strand	435-439	5	1
β-strand	442-447	6	1
α-helix	448-453	6
α-helix	461-462	2
β-strand	463	1	2
α-helix	464-466	3
α-helix	469-472	4
α-helix	473-475	3
β-strand	480	1	2
α-helix	483-493	11
β-strand	499-502	4	3
α-helix	509-522	14
β-strand	525	1	4
β-strand	531	1	4
β-strand	537-541	5	3
α-helix	545-559	15
α-helix	560-562	3
β-strand	566-568	3	3
α-helix	578-582	5
β-strand	585-588	4	3
α-helix	590-599	10
α-helix	606-608	3
β-strand	609-615	7	3
α-helix	617-621	5
α-helix	625-642	18
β-strand	647-652	6	3
α-helix	658-664	7
β-strand	673-675	3	3
α-helix	678-680	3
β-strand	685-692	8	1
α-helix	697-713	17
β-strand	721-724	4	1
α-helix	728-744	17
α-helix	748-750	3
α-helix	757-767	11
α-helix	772-777	6
α-helix	778-780	3
β-strand	782-785	4	1
α-helix	792-802	11
β-strand	808-811	4	1
α-helix	813-818	6
β-strand	823	1	5
β-strand	825-829	5	1
β-strand	832-835	4	6
β-strand	840-843	4	6
α-helix	844-845	2
α-helix	846-854	9
β-strand	856	1	5
β-strand	865-872	8	1
α-helix	873-875	3
α-helix	876-883	8
α-helix	893-907	15
β-strand	912	1	7
α-helix	913-920	8
α-helix	924-931	8
α-helix	933-936	4
α-helix	940-944	5
α-helix	950-966	17
β-strand	970-972	3	8
β-strand	978	1	7
β-strand	979-981	3	8
α-helix	983-990	8
α-helix	995-1004	10
α-helix	1011-1019	9
α-helix	1022-1024	3
α-helix	1031-1033	3
α-helix	1034-1043	10
α-helix	1055-1067	13
α-helix	1075-1101	27
β-strand	1104	1	9
α-helix	1105-1120	16
α-helix	1128-1131	4
α-helix	1137-1145	9
α-helix	1150-1153	4
α-helix	1158-1165	8
α-helix	1168-1170	3
α-helix	1171-1180	10
β-strand	1184-1192	9	10
β-strand	1197-1206	10	10
α-helix	1212-1215	4
β-strand	1218-1226	9	11
β-strand	1232	1	9
β-strand	1233-1242	10	11
α-helix	1243-1245	3
β-strand	1250-1257	8	10
α-helix	1262-1263	2
β-strand	1265-1272	8	11
β-strand	1279-1285	7	11
α-helix	1291-1300	10
α-helix	1304-1306	3
β-strand	1307-1308	2	12
α-helix	1309-1312	4
α-helix	1315-1318	4
β-strand	1327-1328	2	12
α-helix	1330-1340	11
β-strand	1346-1349	4	13
α-helix	1356-1370	15
β-strand	1376-1379	4	13
α-helix	1383-1393	11
α-helix	1394-1399	6
β-strand	1405-1407	3	13
α-helix	1412-1421	10
β-strand	1424-1427	4	13
α-helix	1429-1436	8
α-helix	1439-1441	3
α-helix	1443-1446	4
β-strand	1450-1453	4	13
α-helix	1456-1460	5
α-helix	1464-1481	18
α-helix	1484-1485	2
β-strand	1486-1491	6	13
β-strand	1494	1	14
α-helix	1497-1503	7
α-helix	1508-1510	3
β-strand	1511-1513	3	13
α-helix	1516-1518	3
β-strand	1523-1530	8	15
α-helix	1535-1553	19
β-strand	1559-1563	5	15
α-helix	1566-1582	17
β-strand	1590	1	16
α-helix	1598-1601	4
α-helix	1607-1613	7
β-strand	1617-1620	4	15
α-helix	1626-1637	12
β-strand	1641	1	16
β-strand	1643-1647	5	15
α-helix	1648-1650	3
β-strand	1658	1	17
β-strand	1660-1664	5	15
β-strand	1667-1670	4	18
β-strand	1675-1678	4	18
α-helix	1679-1680	2
α-helix	1681-1688	8
β-strand	1691	1	17
β-strand	1700-1707	8	15
α-helix	1708-1710	3
α-helix	1711-1718	8
α-helix	1721	1
β-strand	1722	1	14
α-helix	1723	1
α-helix	1728-1730	3
α-helix	1733-1741	9
β-strand	1747	1	19
α-helix	1748-1756	9
α-helix	1759-1766	8
α-helix	1768-1771	4
α-helix	1778-1798	21
β-strand	1802-1805	4	19
β-strand	1809-1812	4	19
α-helix	1814-1822	9
α-helix	1826-1835	10
α-helix	1842-1850	9
α-helix	1853-1855	3
α-helix	1858-1860	3
α-helix	1862-1864	3
α-helix	1865-1874	10
α-helix	1887-1899	13
α-helix	1906-1932	27
β-strand	1935	1	20
α-helix	1936-1951	16
α-helix	1959-1962	4
α-helix	1972-1975	4
α-helix	1982-1986	5
α-helix	1990-1996	7
α-helix	2002-2013	12
β-strand	2017-2023	7	21
β-strand	2034-2043	10	21
β-strand	2064-2070	7	20
β-strand	2075-2082	8	20
β-strand	2087-2095	9	21
β-strand	2100	1	22
β-strand	2103-2110	8	20
β-strand	2118-2123	6	20
β-strand	2126	1	22

Chain J: 13 helices, 15 β-strands

Element	Residues	Length	Sheet
α-helix	2072-2080	9
α-helix	2083-2088	6
β-strand	2090-2092	3	23
α-helix	2102	1
β-strand	2103-2107	5	23
α-helix	2108-2116	9
β-strand	2125-2131	7	23
β-strand	2139-2146	8	23
β-strand	2150	1	24
β-strand	2151-2152	2	25
β-strand	2157-2158	2	25
α-helix	2163-2164	2
α-helix	2167-2169	3
β-strand	2173-2181	9	23
α-helix	2190-2202	13
β-strand	2212-2217	6	23
β-strand	2223-2230	8	23
α-helix	2232-2240	9
α-helix	2253-2255	3
β-strand	2256-2259	4	23
β-strand	2261-2264	4	23
β-strand	2270-2274	5	23
β-strand	2280	1	24
α-helix	2285-2287	3
β-strand	2296-2298	3	23
α-helix	2300-2303	4
α-helix	2307-2309	3
α-helix	2311-2315	5

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
U5 small nuclear ribonucleoprotein 200 kDa helicase	B	protein	1747	Homo sapiens	O75643 (AlphaFold model)
Pre-mRNA-processing-splicing factor 8	J	protein	263	Homo sapiens	Q6P2Q9 (AlphaFold model)

Sequence of entity 1 (B), FASTA

>6S8Q_1 U5 small nuclear ribonucleoprotein 200 kDa helicase (chains B)
GAEFMDLDQGGEALAPRQVLDLEDLVFTQGSHFMANKRCQLPDGSFRRQRKGYEEVHVPA
LKPKPFGSEEQLLPVEKLPKYAQAGFEGFKTLNRIQSKLYRAALETDENLLLCAPTGAGK
TNVALMCMLREIGKHINMDGTINVDDFKIIYIAPMRSLVQEMVGSFGKRLATYGITVAEL
TGDHQLCKEEISATQIIVCTPEKWDIITRKGGERTYTQLVRLIILDEIHLLHDDRGPVLE
ALVARAIRNIEMTQEDVRLIGLSATLPNYEDVATFLRVDPAKGLFYFDNSFRPVPLEQTY
VGITEKKAIKRFQIMNEIVYEKIMEHAGKNQVLVFVHSRKETGKTARAIRDMCLEKDTLG
LFLREGSASTEVLRTEAEQCKNLELKDLLPYGFAIHHAGMTRVDRTLVEDLFADKHIQVL
VSTATLAWGVNLPAHTVIIKGTQVYSPEKGRWTELGALDILQMLGRAGRPQYDTKGEGIL
ITSHGELQYYLSLLNQQLPIESQMVSKLPDMLNAEIVLGNVQNAKDAVNWLGYAYLYIRM
LRSPTLYGISHDDLKGDPLLDQRRLDLVHTAALMLDKNNLVKYDKKTGNFQVTELGRIAS
HYYITNDTVQTYNQLLKPTLSEIELFRVFSLSSEFKNITVREEEKLELQKLLERVPIPVK
ESIEEPSAKINVLLQAFISQLKLEGFALMADMVYVTQSAGRLMRAIFEIVLNRGWAQLTD
KTLNLCKMIDKRMWQSMCPLRQFRKLPEEVVKKIEKKNFPFERLYDLNHNEIGELIRMPK
MGKTIHKYVHLFPKLELSVHLQPITRSTLKVELTITPDFQWDEKVHGSSEAFWILVEDVD
SEVILHHEYFLLKAKYAQDEHLITFFVPVFEPLPPQYFIRVVSDRWLSCETQLPVSFRHL
ILPEKYPPPTELLDLQPLPVSALRNSAFESLYQDKFPFFNPIQTQVFNTVYNSDDNVFVG
APTGSGKTICAEFAILRMLLQSSEGRCVYITPMEALAEQVYMDWYEKFQDRLNKKVVLLT
GETSTDLKLLGKGNIIISTPEKWDILSRRWKQRKNVQNINLFVVDEVHLIGGENGPVLEV
ICSRMRYISSQIERPIRIVALSSSLSNAKDVAHWLGCSATSTFNFHPNVRPVPLELHIQG
FNISHTQTRLLSMAKPVYHAITKHSPKKPVIVFVPSRKQTRLTAIDILTTCAADIQRQRF
LHCTEKDLIPYLEKLSDSTLKETLLNGVGYLHEGLSPMERRLVEQLFSSGAIQVVVASRS
LCWGMNVAAHLVIIMDTQYYNGKIHAYVDYPIYDVLQMVGHANRPLQDDEGRCVIMCQGS
KKDFFKKFLYEPLPVESHLDHCMHDHFNAEIVTKTIENKQDAVDYLTWTFLYRRMTQNPN
YYNLQGISHRHLSDHLSELVEQTLSDLEQSKCISIEDEMDVAPLNLGMIAAYYYINYTTI
ELFSMSLNAKTKVRGLIEIISNAAEYENIPIRHHEDNLLRQLAQKVPHKLNNPKFNDPHV
KTNLLLQAHLSRMQLSAELQSDTEEILSKAIRLIQACVDVLSSNGWLSPALAAMELAQMV
TQAMWSKDSYLKQLPHFTSEHIKRCTDKGVESVFDIMEMEDEERNALLQLTDSQIADVAR
FCNRYPNIELSYEVVDKDSIRSGGPVVVLVQLEREEEVTGPVIAPLFPQKREEGWWVVIG
DAKSNSLISIKRLTLQQKAKVKLDFVAPATGAHNYTLYFMSDAYMGCDQEYKFSVDVKEA
ETDSDSD

Sequence of entity 2 (J), FASTA

>6S8Q_2 Pre-mRNA-processing-splicing factor 8 (chains J)
GPLGSMTQTFSSKTEWRVRAISAANLHLRTNHIYVSSDDIKETGYTYILPKNVLKKFICI
SDLRAQIAGYLYGVSPPDNPQVKEIRCIVMVPQWGTHQTVHLPGQLPQHEYLKEMEPLGW
IHTQPNESPQLSPQDVTTHAKIMADNPSWDGEKTIIITCSFTPGSCTLTAYKLTPSGYEW
GRQNTDKGNNPKGYLPSHYERVQMLLSDRFLGFFMVPAQSSWNYNFMGVRHDPNMKYELQ
LANPKEFYHEVHRPSHFLNFALL

Primary citation

The inactive C-terminal cassette of the dual-cassette RNA helicase BRR2 both stimulates and inhibits the activity of the N-terminal helicase unit. Vester, K., Santos, K.F., Kuropka, B. et al. J Biol Chem (2020) 295:2097-2112. DOI 10.1074/jbc.RA119.010964 · PubMed

Other PDB entries of the same protein (UniProt O75643 (AlphaFold model), which also has an AlphaFold model), best resolution first:

2Q0Z 2.0 Å, Crystal structure of Q9P172/Sec63 from Homo sapiens. Northeast Structural Genomics…
8BCE 2.05 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 76
8BC9 2.3 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 24
8BCC 2.35 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 39
8BCB 2.38 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 34
8BC8 2.39 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 18
8BCG 2.39 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 86
9S2E 2.4 Å, Human intron-lariat spliceosome-Aquarius (ILSaqr)
8BCF 2.42 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and compound 78
7BDK 2.52 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and ADP
7BDJ 2.59 Å, Human Brr2 Helicase Region in complex with C-tail deleted Jab1 and mant-ATPgammaS
6S9I 2.6 Å, Human Brr2 Helicase Region D534C/N1866C in complex with C-tail deleted Jab1

Browse structure collections

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