9FSR: DNA-directed RNA polymerase III subunit RPC1

RNA Polymerase III Class III Open Mini Pre-initiation Complex 1 (OC1-mini). Determined by electron microscopy at 3.76 Å resolution. Released 15 Jan 2025.

Method: Electron microscopy
Resolution: 3.76 Å
Organism: Homo sapiens
Chains: 25
Atoms: 56,344
Mol. weight: 1149.06 kDa
Ligands: SF4, MG, ZN
Released: 15 Jan 2025

Explore 9FSR in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

9FSR contains 340 α-helices and 330 β-strands across 23 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 A: 77 helices, 65 β-strands

Element	Residues	Length	Sheet
β-strand	5	1	1
β-strand	13-19	7	2
α-helix	25-31	7
β-strand	34-35	2	3
β-strand	38	1	4
β-strand	42	1	5
α-helix	49	1
β-strand	50	1	5
α-helix	51	1
β-strand	54	1	4
β-strand	84-93	10	3
α-helix	98-107	10
β-strand	108	1	6
β-strand	115	1	6
α-helix	119-130	12
α-helix	136-151	16
β-strand	155	1	7
β-strand	162	1	7
β-strand	166-168	3	8
β-strand	174-176	3	8
α-helix	190-196	7
α-helix	198-203	6
α-helix	207-210	4
α-helix	211-213	3
β-strand	216	1	8
α-helix	220-227	8
α-helix	235-238	4
α-helix	247-250	4
β-strand	251-257	7	3
α-helix	258-259	2
α-helix	260-262	3
α-helix	278-297	20
α-helix	303-321	19
α-helix	341-345	5
α-helix	351-356	6
β-strand	360	1	9
β-strand	364-368	5	10
β-strand	369-371	3	11
β-strand	379-383	5	11
α-helix	384-387	4
β-strand	391-395	5	12
α-helix	396	1
α-helix	401-410	10
β-strand	418-422	5	12
β-strand	430-431	2	12
α-helix	437-442	6
β-strand	449-453	5	12
α-helix	454	1
β-strand	459-462	4	11
β-strand	463	1	10
α-helix	470-472	3
β-strand	474-481	8	11
β-strand	486-488	3	11
α-helix	490-492	3
α-helix	493-496	4
β-strand	504-508	5	10
α-helix	513-522	10
β-strand	524	1	11
β-strand	530	1	13
β-strand	537	1	13
β-strand	541	1	14
α-helix	545-553	9
β-strand	558-559	2	15
α-helix	561-568	8
α-helix	574-576	3
α-helix	583-585	3
β-strand	588	1	16
β-strand	592	1	17
β-strand	594	1	16
β-strand	595-596	2	15
α-helix	597-601	5
α-helix	602-604	3
β-strand	617-620	4	18
β-strand	637-640	4	18
β-strand	645-647	3	18
α-helix	652-655	4
β-strand	656	1	14
α-helix	663-671	9
α-helix	673-694	22
α-helix	707-732	26
α-helix	738-739	2
α-helix	744-768	25
α-helix	772	1
α-helix	776-782	7
α-helix	789-796	8
β-strand	804	1	19
β-strand	807	1	19
α-helix	808-811	4
β-strand	813	1	20
β-strand	816	1	20
α-helix	828-831	4
α-helix	844-879	36
β-strand	883-884	2	21
β-strand	890-891	2	21
β-strand	897-899	3	21
α-helix	902-904	3
β-strand	907	1	22
α-helix	909-911	3
α-helix	921-931	11
α-helix	938-940	3
α-helix	942-953	12
α-helix	956-959	4
α-helix	963-987	25
α-helix	998-1002	5
α-helix	1008-1023	16
β-strand	1026	1	22
α-helix	1033-1042	10
α-helix	1044-1047	4
α-helix	1066-1075	10
β-strand	1084-1087	4	23
β-strand	1089	1	24
α-helix	1095-1105	11
β-strand	1108-1109	2	25
β-strand	1114-1121	8	26
β-strand	1126-1132	7	26
α-helix	1134-1140	7
α-helix	1146-1152	7
α-helix	1162-1164	3
β-strand	1165-1166	2	26
β-strand	1172-1175	4	26
α-helix	1186-1188	3
α-helix	1189-1195	7
α-helix	1196-1198	3
β-strand	1200-1202	3	25
β-strand	1209-1214	6	23
β-strand	1223-1228	6	23
α-helix	1232-1236	5
β-strand	1241	1	24
α-helix	1243-1245	3
β-strand	1247-1248	2	23
α-helix	1251-1258	8
α-helix	1260-1278	19
α-helix	1285-1295	11
α-helix	1305-1309	5
α-helix	1315-1319	5
α-helix	1324-1334	11
β-strand	1337-1339	3	2
α-helix	1343-1349	7
α-helix	1356-1358	3
β-strand	1361-1364	4	1
α-helix	1372-1376	5
α-helix	1382-1385	4

Chain B: 52 helices, 86 β-strands

Element	Residues	Length	Sheet
α-helix	19-22	4
α-helix	26-28	3
α-helix	29-34	6
α-helix	41-49	9
α-helix	50-54	5
α-helix	55-60	6
β-strand	64-66	3	27
β-strand	74-76	3	27
β-strand	80-81	2	28
β-strand	87	1	29
β-strand	95	1	29
α-helix	99-105	7
β-strand	110-115	6	28
β-strand	118-119	2	27
β-strand	121	1	30
β-strand	123	1	30
β-strand	132-137	6	28
α-helix	152-155	4
α-helix	156-158	3
β-strand	169-171	3	31
β-strand	174-178	5	31
α-helix	179	1
β-strand	180	1	32
β-strand	181-184	4	33
β-strand	190-193	4	34
β-strand	199-204	6	34
β-strand	213-217	5	34
β-strand	224-226	3	34
β-strand	230	1	35
β-strand	234-235	2	34
α-helix	236-242	7
α-helix	249-255	7
α-helix	259-265	7
α-helix	267-274	8
α-helix	280-288	9
β-strand	291	1	35
α-helix	304-315	12
α-helix	329-347	19
α-helix	357-359	3
β-strand	360-363	4	33
α-helix	365-391	27
α-helix	402-404	3
α-helix	409-421	13
β-strand	437-439	3	31
α-helix	445-452	8
β-strand	454-455	2	32
α-helix	473-475	3
β-strand	479	1	36
β-strand	494-495	2	32
β-strand	496	1	36
β-strand	501-502	2	37
α-helix	503-505	3
α-helix	511-518	8
β-strand	521	1	38
α-helix	523-525	3
α-helix	529-532	4
β-strand	537-541	5	38
β-strand	544-549	6	38
α-helix	552-565	14
β-strand	573-577	5	38
β-strand	582-586	5	38
β-strand	592-598	7	37
β-strand	599-600	2	39
β-strand	603-604	2	39
α-helix	608-616	9
α-helix	621-626	6
β-strand	630-634	5	37
α-helix	635-638	4
β-strand	643-644	2	37
α-helix	647-649	3
β-strand	656-657	2	37
α-helix	661-664	4
α-helix	675-677	3
α-helix	680-686	7
β-strand	693	1	40
β-strand	695	1	41
β-strand	709-712	4	41
β-strand	716	1	42
β-strand	720-721	2	43
α-helix	724-727	4
α-helix	730-732	3
β-strand	737-743	7	44
β-strand	755-758	4	44
α-helix	759-762	4
β-strand	769-772	4	41
β-strand	777	1	41
β-strand	781-782	2	45
β-strand	786-787	2	45
β-strand	789-790	2	46
β-strand	795-796	2	47
β-strand	801-802	2	47
α-helix	804-806	3
β-strand	809	1	48
β-strand	814	1	49
β-strand	815	1	48
β-strand	820-821	2	41
β-strand	826-828	3	49
β-strand	830-833	4	46
α-helix	848-850	3
β-strand	851-853	3	46
β-strand	856-857	2	49
β-strand	864-873	10	41
β-strand	879-889	11	41
β-strand	896-897	2	50
β-strand	905-906	2	50
β-strand	907-911	5	44
α-helix	913-915	3
β-strand	918	1	51
β-strand	927-929	3	44
α-helix	931-933	3
α-helix	941-955	15
α-helix	958	1
β-strand	959-960	2	43
α-helix	969-979	11
β-strand	986-987	2	44
β-strand	990	1	51
β-strand	997	1	51
α-helix	998	1
β-strand	1002-1009	8	44
β-strand	1012	1	40
α-helix	1016-1018	3
β-strand	1021-1023	3	10
β-strand	1028-1029	2	52
β-strand	1035	1	52
α-helix	1039-1041	3
β-strand	1046	1	9
α-helix	1049-1057	9
α-helix	1062-1065	4
α-helix	1066-1070	5
β-strand	1074-1080	7	53
β-strand	1086-1087	2	53
β-strand	1088	1	54
β-strand	1091	1	54
β-strand	1092	1	55
β-strand	1097	1	55
β-strand	1101-1107	7	53
α-helix	1108-1118	11
β-strand	1125-1130	6	2

Chain C: 30 helices, 21 β-strands

Element	Residues	Length	Sheet
α-helix	3-17	15
α-helix	22-31	10
β-strand	33-34	2	56
α-helix	36-43	8
α-helix	47-59	13
β-strand	63-67	5	56
α-helix	69-71	3
β-strand	73-77	5	56
α-helix	81-87	7
α-helix	88-98	11
α-helix	101-113	13
β-strand	116-117	2	57
α-helix	118-130	13
β-strand	140	1	58
α-helix	141-153	13
β-strand	157-159	3	57
α-helix	160-161	2
β-strand	162	1	59
α-helix	163	1
α-helix	166-168	3
α-helix	174-175	2
β-strand	181	1	59
β-strand	198	1	58
β-strand	234-237	4	57
α-helix	239-258	20
α-helix	261-273	13
β-strand	284	1	60
α-helix	286-287	2
β-strand	288-289	2	61
α-helix	290-296	7
α-helix	305-317	13
β-strand	323-324	2	62
β-strand	333-334	2	61
β-strand	335-336	2	62
β-strand	337	1	60
α-helix	338-358	21
α-helix	360-371	12
β-strand	375	1	63
α-helix	377-379	3
α-helix	381-384	4
α-helix	391-397	7
β-strand	405-406	2	63
β-strand	409-410	2	64
α-helix	417-419	3
β-strand	420-421	2	64
β-strand	424-425	2	63
α-helix	428-456	29
α-helix	458-472	15
α-helix	481-483	3
α-helix	492-514	23
α-helix	517-529	13

Chain D: 8 helices, 8 β-strands

Element	Residues	Length	Sheet
α-helix	112-123	12
α-helix	133-135	3
α-helix	139-141	3
β-strand	144	1	65
α-helix	250-255	6
α-helix	256-260	5
β-strand	265-270	6	66
α-helix	314-316	3
α-helix	321-322	2
β-strand	324-331	8	66
β-strand	337-341	5	66
β-strand	344-350	7	66
β-strand	356-364	9	67
β-strand	370-377	8	67
β-strand	379-386	8	66
α-helix	390-393	4

Chain E: 18 helices, 16 β-strands

Element	Residues	Length	Sheet
β-strand	10	1	66
β-strand	14-17	4	66
β-strand	26-34	9	67
β-strand	46-49	4	67
β-strand	56-61	6	67
β-strand	69	1	68
α-helix	71-81	11
β-strand	99-106	8	67
β-strand	114-120	7	66
β-strand	123-128	6	66
β-strand	132-137	6	67
α-helix	140-153	14
α-helix	184-186	3
α-helix	193-201	9
α-helix	204-205	2
β-strand	206-209	4	67
α-helix	216-222	7
α-helix	223-225	3
α-helix	242-249	8
α-helix	278-288	11
β-strand	291-292	2	69
α-helix	294-296	3
α-helix	298-301	4
α-helix	307-317	11
β-strand	318-321	4	69
β-strand	324-327	4	69
α-helix	329-332	4
α-helix	350-362	13
α-helix	371-374	4
α-helix	379-389	11
β-strand	390-392	3	70
β-strand	398-400	3	70
α-helix	407-409	3
α-helix	414-430	17

Chain F: 19 helices, 12 β-strands

Element	Residues	Length	Sheet
α-helix	15-28	14
β-strand	33-34	2	71
α-helix	35-41	7
α-helix	47-57	11
β-strand	64-66	3	71
β-strand	73-75	3	71
α-helix	79-83	5
α-helix	87-91	5
α-helix	92-102	11
β-strand	107-108	2	72
α-helix	109-116	8
α-helix	120-132	13
β-strand	136-140	5	72
β-strand	148-152	5	72
α-helix	156-158	3
α-helix	159-162	4
β-strand	167-168	2	73
β-strand	171-172	2	73
α-helix	174-196	23
α-helix	202-208	7
β-strand	211-212	2	74
α-helix	213-223	11
α-helix	232-244	13
β-strand	248-254	7	74
β-strand	263	1	74
β-strand	266-272	7	74
α-helix	278-280	3
α-helix	282-284	3
α-helix	286-289	4
α-helix	293-295	3
α-helix	308-313	6

Chain G: 5 helices, 0 β-strands

Element	Residues	Length
α-helix	45-49	5
α-helix	52-68	17
α-helix	77-78	2
α-helix	88-91	4
α-helix	108-110	3

Chain H: 4 helices, 11 β-strands

Element	Residues	Length	Sheet
β-strand	2-13	12	1
α-helix	15-17	3
α-helix	22-34	13
β-strand	38-39	2	1
β-strand	43-59	17	1
β-strand	66-77	12	1
α-helix	79-80	2
β-strand	84-93	10	75
β-strand	96-100	5	75
β-strand	107-109	3	75
α-helix	111-113	3
β-strand	128	1	76
β-strand	140	1	76
β-strand	147-157	11	75
β-strand	184-189	6	75

15 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
DNA-directed RNA polymerase III subunit RPC1	A	protein	1390	Homo sapiens	O14802 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC2	B	protein	1133	Homo sapiens	Q9NW08 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC3	C	protein	534	Homo sapiens	Q9BUI4 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC4	D	protein	398	Homo sapiens	P05423 (AlphaFold model)
DNA-directed RNA polymerase III subunit RPC5	E	protein	708	Homo sapiens	Q9NVU0
DNA-directed RNA polymerase III subunit RPC6	F	protein	316	Homo sapiens	Q9H1D9
DNA-directed RNA polymerase III subunit RPC7	G	protein	223	Homo sapiens	O15318
DNA-directed RNA polymerase III subunit RPC8	H	protein	204	Homo sapiens	Q9Y535
DNA-directed RNA polymerase III subunit RPC9	I	protein	148	Homo sapiens	O75575
DNA-directed RNA polymerase III subunit RPC10	J	protein	108	Homo sapiens	Q9Y2Y1
DNA-directed RNA polymerases I and III subunit RPAC1	K	protein	346	Homo sapiens	O15160
DNA-directed RNA polymerases I and III subunit RPAC2	L	protein	133	Homo sapiens	P0DPB6

13 more molecules are not listed.

Sequence of entity 1 (A), FASTA

>9FSR_1 DNA-directed RNA polymerase III subunit RPC1 (chains A)
MVKEQFRETDVAKKISHICFGMKSPEEMRQQAHIQVVSKNLYSQDNQHAPLLYGVLDHRM
GTSEKDRPCETCGKNLADCLGHYGYIDLELPCFHVGYFRAVIGILQMICKTCCHIMLSQE
EKKQFLDYLKRPGLTYLQKRGLKKKISDKCRKKNICHHCGAFNGTVKKCGLLKIIHEKYK
TNKKVVDPIVSNFLQSFETAIEHNKEVEPLLGRAQENLNPLVVLNLFKRIPAEDVPLLLM
NPEAGKPSDLILTRLLVPPLCIRPSVVSDLKSGTNEDDLTMKLTEIIFLNDVIKKHRISG
AKTQMIMEDWDFLQLQCALYINSELSGIPLNMAPKKWTRGFVQRLKGKQGRFRGNLSGKR
VDFSGRTVISPDPNLRIDEVAVPVHVAKILTFPEKVNKANINFLRKLVQNGPEVHPGANF
IQQRHTQMKRFLKYGNREKMAQELKYGDIVERHLIDGDVVLFNRQPSLHKLSIMAHLARV
KPHRTFRFNECVCTPYNADFDGDEMNLHLPQTEEAKAEALVLMGTKANLVTPRNGEPLIA
AIQDFLTGAYLLTLKDTFFDRAKACQIIASILVGKDEKIKVRLPPPTILKPVTLWTGKQI
FSVILRPSDDNPVRANLRTKGKQYCGKGEDLCANDSYVTIQNSELMSGSMDKGTLGSGSK
NNIFYILLRDWGQNEAADAMSRLARLAPVYLSNRGFSIGIGDVTPGQGLLKAKYELLNAG
YKKCDEYIEALNTGKLQQQPGCTAEETLEALILKELSVIRDHAGSACLRELDKSNSPLTM
ALCGSKGSFINISQMIACVGQQAISGSRVPDGFENRSLPHFEKHSKLPAAKGFVANSFYS
GLTPTEFFFHTMAGREGLVDTAVKTAETGYMQRRLVKSLEDLCSQYDLTVRSSTGDIIQF
IYGGDGLDPAAMEGKDEPLEFKRVLDNIKAVFPCPSEPALSKNELILTTESIMKKSEFLC
CQDSFLQEIKKFIKGVSEKIKKTRDKYGINDNGTTEPRVLYQLDRITPTQVEKFLETCRD
KYMRAQMEPGSAVGALCAQSIGEPGTQMTLKTFHFAGVASMNITLGVPRIKEIINASKAI
STPIITAQLDKDDDADYARLVKGRIEKTLLGEISEYIEEVFLPDDCFILVKLSLERIRLL
RLEVNAETVRYSICTSKLRVKPGDVAVHGEAVVCVTPRENSKSSMYYVLQFLKEDLPKVV
VQGIPEVSRAVIHIDEQSGKEKYKLLVEGDNLRAVMATHGVKGTRTTSNNTYEVEKTLGI
EAARTTIINEIQYTMVNHGMSIDRRHVMLLSDLMTYKGEVLGITRFGLAKMKESVLMLAS
FEKTADHLFDAAYFGQKDSVCGVSECIIMGIPMNIGTGLFKLLHKADRDPNPPKRPLIFD
TNEFHIPLVT

Sequence of entity 2 (B), FASTA

>9FSR_2 DNA-directed RNA polymerase III subunit RPC2 (chains B)
MDVLAEEFGNLTPEQLAAPIPTVEEKWRLLPAFLKVKGLVKQHIDSFNYFINVEIKKIMK
ANEKVTSDADPMWYLKYLNIYVGLPDVEESFNVTRPVSPHECRLRDMTYSAPITVDIEYT
RGSQRIIRNALPIGRMPIMLRSSNCVLTGKTPAEFAKLNECPLDPGGYFIVKGVEKVILI
QEQLSKNRIIVEADRKGAVGASVTSSTHEKKSRTNMAVKQGRFYLRHNTLSEDIPIVIIF
KAMGVESDQEIVQMIGTEEHVMAAFGPSLEECQKAQIFTQMQALKYIGNKVRRQRMWGGG
PKKTKIEEARELLASTILTHVPVKEFNFRAKCIYTAVMVRRVILAQGDNKVDDRDYYGNK
RLELAGQLLSLLFEDLFKKFNSEMKKIADQVIPKQRAAQFDVVKHMRQDQITNGMVNAIS
TGNWSLKRFKMDRQGVTQVLSRLSYISALGMMTRISSQFEKTRKVSGPRSLQPSQWGMLC
PSDTPEGEACGLVKNLALMTHITTDMEDGPIVKLASNLGVEDVNLLCGEELSYPNVFLVF
LNGNILGVIRDHKKLVNTFRLMRRAGYINEFVSISTNLTDRCVYISSDGGRLCRPYIIVK
KQKPAVTNKHMEELAQGYRNFEDFLHESLVEYLDVNEENDCNIALYEHTINKDTTHLEIE
PFTLLGVCAGLIPYPHHNQSPRNTYQCAMGKQAMGTIGYNQRNRIDTLMYLLAYPQKPMV
KTKTIELIEFEKLPAGQNATVAVMSYSGYDIEDALVLNKASLDRGFGRCLVYKNAKCTLK
RYTNQTFDKVMGPMLDAATRKPIWRHEILDADGICSPGEKVENKQVLVNKSMPTVTQIPL
EGSNVPQQPQYKDVPITYKGATDSYIEKVMISSNAEDAFLIKMLLRQTRRPEIGDKFSSR
HGQKGVCGLIVPQEDMPFCDSGICPDIIMNPHGFPSRMTVGKLIELLAGKAGVLDGRFHY
GTAFGGSKVKDVCEDLVRHGYNYLGKDYVTSGITGEPLEAYIYFGPVYYQKLKHMVLDKM
HARARGPRAVLTRQPTEGRSRDGGLRLGEMERDCLIGYGASMLLLERLMISSDAFEVDVC
GQCGLLGYSGWCHYCKSSCHVSSLRIPYACKLLFQELQSMNIIPRLKLSKYNE

Sequence of entity 3 (C), FASTA

>9FSR_3 DNA-directed RNA polymerase III subunit RPC3 (chains C)
MTQAEIKLCSLLLQEHFGEIVEKIGVHLIRTGSQPLRVIAHDTGTSLDQVKKALCVLVQH
NLVSYQVHKRGVVEYEAQCSRVLRMLRYPRYIYTTKTLYSDTGELIVEELLLNGKLTMSA
VVKKVADRLTETMEDGKTMDYAEVSNTFVRLADTHFVQRCPSVPTTENSDPGPPPPAPTL
VINEKDMYLVPKLSLIGKGKRRRSSDEDAAGEPKAKRPKYTTDNKEPIPDDGIYWQANLD
RFHQHFRDQAIVSAVANRMDQTSSEIVRTMLRMSEITTSSSAPFTQPLSSNEIFRSLPVG
YNISKQVLDQYLTLLADDPLEFVGKSGDSGGGMYVINLHKALASLATATLESVVQERFGS
RCARIFRLVLQKKHIEQKQVEDFAMIPAKEAKDMLYKMLSENFMSLQEIPKTPDHAPSRT
FYLYTVNILSAARMLLHRCYKSIANLIERRQFETKENKRLLEKSQRVEAIIASMQATGAE
EAQLQEIEEMITAPERQQLETLKRNVNKLDASEIQVDETIFLLESYIECTMKRQ

Sequence of entity 4 (D), FASTA

>9FSR_4 DNA-directed RNA polymerase III subunit RPC4 (chains D)
MSEGNAAGEPSTPGGPRPLLTGARGLIGRRPAPPLTPGRLPSIRSRDLTLGGVKKKTFTP
NIISRKIKEEPKEEVTVKKEKRERDRDRQREGHGRGRGRPEVIQSHSIFEQGPAEMMKKK
GNWDKTVDVSDMGPSHIINIKKEKRETDEETKQILRMLEKDDFLDDPGLRNDTRNMPVQL
PLAHSGWLFKEENDEPDVKPWLAGPKEEDMEVDIPAVKVKEEPRDEEEEAKMKAPPKAAR
KTPGLPKDVSVAELLRELSLTKEEELLFLQLPDTLPGQPPTQDIKPIKTEVQGEDGQVVL
IKQEKDREAKLAENACTLADLTEGQVGKLLIRKSGRVQLLLGKVTLDVTMGTACSFLQEL
VSVGLGDSRTGEMTVLGHVKHKLVCSPDFESLLDHKHR

Sequence of entity 5 (E), FASTA

>9FSR_5 DNA-directed RNA polymerase III subunit RPC5 (chains E)
MANEEDDPVVQEIDVYLAKSLAEKLYLFQYPVRPASMTYDDIPHLSAKIKPKQQKVELEM
AIDTLNPNYCRSKGEQIALNVDGACADETSTYSSKLMDKQTFCSSQTTSNTSRYAAALYR
QGELHLTPLHGILQLRPSFSYLDKADAKHREREAANEAGDSSQDEAEDDVKQITVRFSRP
ESEQARQRRVQSYEFLQKKHAEEPWVHLHYYGLRDSRSEHERQYLLCPGSSGVENTELVK
SPSEYLMMLMPPSQEEEKDKPVAPSNVLSMAQLRTLPLADQIKILMKNVKVMPFANLMSL
LGPSIDSVAVLRGIQKVAMLVQGNWVVKSDILYPKDSSSPHSGVPAEVLCRGRDFVMWKF
TQSRWVVRKEVATVTKLCAEDVKDFLEHMAVVRINKGWEFILPYDGEFIKKHPDVVQRQH
MLWTGIQAKLEKVYNLVKETMPKKPDAQSGPAGLVCGDQRIQVAKTKAQQNHALLERELQ
RRKEQLRVPAVPPGVRIKEEPVSEEGEEDEEQEAEEEPMDTSPSGLHSKLANGLPLGRAA
GTDSFNGHPPQGCASTPVARELKAFVEATFQRQFVLTLSELKRLFNLHLASLPPGHTLFS
GISDRMLQDTVLAAGCKQILVPFPPQTAASPDEQKVFALWESGDMSDQHRQVLLEIFSKN
YRVRRNMIQSRLTQECGEDLSKQEVDKVLKDCCVSYGGMWYLKGTVQS

Sequence of entity 6 (F), FASTA

>9FSR_6 DNA-directed RNA polymerase III subunit RPC6 (chains F)
MAEVKVKVQPPDADPVEIENRIIELCHQFPHGITDQVIQNEMPHIEAQQRAVAINRLLSM
GQLDLLRSNTGLLYRIKDSQNAGKMKGSDNQEKLVYQIIEDAGNKGIWSRDIRYKSNLPL
TEINKILKNLESKKLIKAVKSVAASKKKVYMLYNLQPDRSVTGGAWYSDQDFESEFVEVL
NQQCFKFLQSKAETARESKQNPMIQRNSSFASSHEVWKYICELGISKVELSMEDIETILN
TLIYDGKVEMTIIAAKEGTVGSVDGHMKLYRAVNPIIPPTGLVRAPCGLCPVFDDCHEGG
EISPSNCIYMTEWLEF

Sequence of entity 7 (G), FASTA

>9FSR_7 DNA-directed RNA polymerase III subunit RPC7 (chains G)
MAGNKGRGRAAYTFNIEAVGFSKGEKLPDVVLKPPPLFPDTDYKPVPLKTGEGEEYMLAL
KQELRETMKRMPYFIETPEERQDIERYSKRYMKVYKEEWIPDWRRLPREMMPRNKCKKAG
PKPKKAKDAGKGTPLTNTEDVLKKMEELEKRGDGEKSDEENEEKEGSKEKSKEGDDDDDD
DAAEQEEYDEEEQEEENDYINSYFEDGDDFGADSDDNMDEATY

Sequence of entity 8 (H), FASTA

>9FSR_8 DNA-directed RNA polymerase III subunit RPC8 (chains H)
MFVLVEMVDTVRIPPWQFERKLNDSIAEELNKKLANKVVYNVGLCICLFDITKLEDAYVF
PGDGASHTKVHFRCVVFHPFLDEILIGKIKGCSPEGVHVSLGFFDDILIPPESLQQPAKF
DEAEQVWVWEYETEEGAHDLYMDTGEEIRFRVVDESFVDTSPTGPSSADATTSSEELPKK
EAPYTLVGSISEPGLGLLSWWTSN

Sequence of entity 9 (I), FASTA

>9FSR_9 DNA-directed RNA polymerase III subunit RPC9 (chains I)
MEVKDANSALLSNYEVFQLLTDLKEQRKESGKNKHSSGQQNLNTITYETLKYISKTPCRH
QSPEIVREFLTALKSHKLTKAEKLQLLNHRPVTAVEIQLMVEESEERLTEEQIEALLHTV
TSILPAEPEAEQKKNTNSNVAMDEEDPA

Sequence of entity 10 (J), FASTA

>9FSR_10 DNA-directed RNA polymerase III subunit RPC10 (chains J)
MLLFCPGCGNGLIVEEGQRCHRFSCNTCPYVHNITRKVTNRKYPKLKEVDDVLGGAAAWE
NVDSTAESCPKCEHPRAYFMQLQTRSADEPMTTFYKCCNAQCGHRWRD

Sequence of entity 11 (K), FASTA

>9FSR_11 DNA-directed RNA polymerases I and III subunit RPAC1 (chains K)
MAASQAVEEMRSRVVLGEFGVRNVHTTDFPGNYSGYDDAWDQDRFEKNFRVDVVHMDENS
LEFDMVGIDAAIANAFRRILLAEVPTMAVEKVLVYNNTSIVQDEILAHRLGLIPIHADPR
LFEYRNQGDEEGTEIDTLQFRLQVRCTRNPHAAKDSSDPNELYVNHKVYTRHMTWIPLGN
QADLFPEGTIRPVHDDILIAQLRPGQEIDLLMHCVKGIGKDHAKFSPVATASYRLLPDIT
LLEPVEGEAAEELSRCFSPGVIEVQEVQGKKVARVANPRLDTFSREIFRNEKLKKVVRLA
RVRDHYIFSVESTGVLPPDVLVSEAIKVLMGKCRRFLDELDAVQMD

Sequence of entity 12 (L), FASTA

>9FSR_12 DNA-directed RNA polymerases I and III subunit RPAC2 (chains L)
MEEDQELERKISGLKTSMAEGERKTALEMVQAAGTDRHCVTFVLHEEDHTLGNSLRYMIM
KNPEVEFCGYTTTHPSESKINLRIQTRGTLPAVEPFQRGLNELMNVCQHVLDKFEASIKD
YKDQKASRNESTF

Ligands and cofactors

ID	Name	Formula	Copies
SF4	Iron/sulfur cluster	Fe4 S4	1
MG	Magnesium ion	Mg	1
ZN	Zinc ion	Zn	9

Primary citation

Structural insights into distinct mechanisms of RNA polymerase II and III recruitment to snRNA promoters. Shah, S.Z., Perry, T.N., Graziadei, A. et al. Nat Commun (2025) 16:141-141. DOI 10.1038/s41467-024-55553-8 · PubMed

Other PDB entries of the same protein (UniProt O14802 (AlphaFold model), which also has an AlphaFold model), best resolution first:

7AE1 2.8 Å, Cryo-EM structure of human RNA Polymerase III elongation complex 1
9K39 2.8 Å, Human RNA Polymerase III de novo transcribing complex 8 (TC8)
7D58 2.9 Å, cryo-EM structure of human RNA polymerase III in elongating state
9K36 2.9 Å, Human RNA Polymerase III de novo transcribing complex 12 (TC12)
9K2G 3.0 Å, Human RNA Polymerase III de novo transcribing complex 13 (TC13)
9K3U 3.0 Å, Human RNA Polymerase III de novo transcribing complex 5 (TC5)
7AE3 3.1 Å, Cryo-EM structure of human RNA Polymerase III elongation complex 3
7D59 3.1 Å, cryo-EM structure of human RNA polymerase III in apo state
9K38 3.1 Å, Human RNA Polymerase III de novo transcribing complex 6 (TC6)
9FSO 3.28 Å, Human RNA Polymerase III Class III Open Pre-initiation Complex 1 (OC1)
7A6H 3.3 Å, Cryo-EM structure of human apo RNA Polymerase III
9LXN 3.3 Å, Human RNA Polymerase III de novo transcribing complex 5 (TC5)(without 3'dATP)

Browse structure collections

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