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9XAH

Cryo-EM structure of the 90S pre-ribosome (Enp1-Rrp12 Mut) from Chaetomium thermophilum, state B1*

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(UA)
Periodic tryptophan protein 2-like proteinpolymer904100897.51UniProt (G0SF93)Thermochaetoides thermophila
2B
(UB)
Nucleolar complex protein 14polymer907103960.71UniProt (G0SDW0)Thermochaetoides thermophila
3C
(UC)
Sas10 C-terminal domain-containing proteinpolymer64873214.61UniProt (G0S4H3)Thermochaetoides thermophila
4D
(UD)
UTP4polymer88497696.51UniProt (G0SCT7)Thermochaetoides thermophila
5E
(UF)
U3 snoRNP proteinpolymer41446924.81UniProt (G0S387)Thermochaetoides thermophila
6F
(UG)
U three protein 7polymer55863629.41UniProt (G0RZ99)Thermochaetoides thermophila
7G
(UJ)
U3 small nucleolar RNA-associated protein 10polymer1802198508.41UniProt (G0S5L1)Thermochaetoides thermophila
8H
(UK)
U3 small nucleolar RNA-associated protein 11polymer27031379.71UniProt (G0SF32)Thermochaetoides thermophilaU3 snoRNA-associated protein 11
9I
(UL)
Small-subunit processome Utp12 domain-containing proteinpolymer962107573.01UniProt (G0RZL9)Thermochaetoides thermophila
10J
(UM)
U3 small nucleolar RNA-associated protein 13 C-terminal domain-containing proteinpolymer912100430.41UniProt (G0SG95)Thermochaetoides thermophila
11K
(UN)
UTP14polymer63369957.41Thermochaetoides thermophila
12L
(UO)
U3 small nucleolar RNA-associated protein 15 C-terminal domain-containing proteinpolymer55760524.11UniProt (G0SEI5)Thermochaetoides thermophila
13M
(UQ)
UTP17polymer960105039.71UniProt (G0SCS8)Thermochaetoides thermophila
14N
(UR)
UTP18polymer61869135.11UniProt (G0SBN9)Thermochaetoides thermophila
15O
(UU)
Putative U3 snoRNP proteinpolymer1049115122.01UniProt (G0S872)Thermochaetoides thermophila
16P
(UX)
UTP24polymer19322136.01Thermochaetoides thermophila
17Q
(UZ)
Ribosome biogenesis protein C8F11.04polymer39143700.51UniProt (G0S7X0)Thermochaetoides thermophila
18R, S
(CA, CB)
rRNA 2'-O-methyltransferase fibrillarinpolymer31332960.82UniProt (G0SGY2)Thermochaetoides thermophilaHistone-glutamine methyltransferase
19T
(CC)
Nucleolar protein 56polymer52357830.71UniProt (G0S2U4)Thermochaetoides thermophila
20U
(CD)
Nucleolar protein 58polymer58264292.11UniProt (G0RYF6)Thermochaetoides thermophila
21V, W
(CE, CF)
H/ACA ribonucleoprotein complex subunit 2polymer12713831.92UniProt (G0SGM0)Thermochaetoides thermophilaNucleolar protein family A member 2
22X
(CG)
Ribosomal RNA-processing proteinpolymer63069610.41UniProt (G0SG51)Thermochaetoides thermophila
23Y
(CH)
RNA 3'-terminal phosphate cyclase-like proteinpolymer41143399.81UniProt (G0S0B1)Thermochaetoides thermophila
24Z
(CI)
Bms1-type G domain-containing proteinpolymer1163134172.31UniProt (G0S445)Thermochaetoides thermophila
25AA
(CJ)
U3 small nucleolar ribonucleoprotein protein IMP3polymer18321802.41UniProt (G0SDL4)Thermochaetoides thermophilaU3 small nucleolar ribonucleoprotein protein imp3
26BA
(CK)
U3 small nucleolar ribonucleoprotein protein IMP4polymer29734216.31UniProt (G0SE90)Thermochaetoides thermophila
27CA
(CL)
mpp10polymer72079056.41Thermochaetoides thermophila
28DA
(CM)
DDB1- and CUL4-associated factor 13polymer44650869.81UniProt (G0RY94)Thermochaetoides thermophilaWD repeat and SOF domain-containing protein 1
29EA, FA
(CN, CO)
Nucleolar essential protein 1polymer25227936.22UniProt (G0SAY9)Thermochaetoides thermophila
30GA
(CP)
KRR1 small subunit processome componentpolymer32237500.81UniProt (G0S3V7)Thermochaetoides thermophilaKRR-R motif-containing protein 1
31HA
(CQ)
Pre-rRNA-processing protein PNO1polymer25928715.01UniProt (G0S3T2)Thermochaetoides thermophila
32IA, JA
(CR, CS)
RNA cytidine acetyltransferasepolymer1073119795.12UniProt (G0S273)Thermochaetoides thermophila18S rRNA cytosine acetyltransferase
33KA
(CT)
Fcf2 pre-rRNA processing C-terminal domain-containing proteinpolymer20322569.11UniProt (G0S4E3)Thermochaetoides thermophila
34LA
(Ca)
Small ribosomal subunit protein eS1polymer25529245.21UniProt (G0S7T8)Thermochaetoides thermophila
35MA
(Cb)
40S ribosomal protein S4polymer26429800.81UniProt (G0S1A6)Thermochaetoides thermophila
36NA
(Cc)
40S ribosomal protein s5-like proteinpolymer21223679.21UniProt (G0S1Z0)Thermochaetoides thermophila
37OA
(Cd)
40S ribosomal protein S6polymer23927490.11UniProt (G0RY43)Thermochaetoides thermophila
38PA
(Ce)
40S ribosomal protein S7polymer20323084.71UniProt (G0S8C4)Thermochaetoides thermophila
39QA
(Cf)
40S ribosomal protein S8polymer20223102.41UniProt (G0RY45)Thermochaetoides thermophila
40RA
(Cg)
40S ribosomal protein s9-like proteinpolymer19022029.81UniProt (G0S0Z4)Thermochaetoides thermophila
41SA
(Ch)
40S ribosomal protein S13-like proteinpolymer15116912.91UniProt (G0RZM9)Thermochaetoides thermophila
42TA
(Ci)
40S ribosomal protein S14-like proteinpolymer15016071.51UniProt (G0SFL1)Thermochaetoides thermophila
43UA
(Cj)
40S ribosomal protein S16-like proteinpolymer14315962.81UniProt (G0SBR7)Thermochaetoides thermophila
44VA
(Ck)
40S ribosomal protein S11-like proteinpolymer16118698.21UniProt (G0SF00)Thermochaetoides thermophila
45WA
(Cm)
40S ribosomal protein S22-like proteinpolymer13014905.51UniProt (G0SHI0)Thermochaetoides thermophila
46XA
(Cn)
40S ribosomal protein s23-like proteinpolymer14515934.71UniProt (G0RY17)Thermochaetoides thermophila
47YA
(Co)
Small ribosomal subunit protein eS24polymer13615535.31UniProt (P0CU28)Thermochaetoides thermophila40S ribosomal protein S24
48ZA
(Cp)
40S ribosomal protein S28-like proteinpolymer687742.01UniProt (G0S9M9)Thermochaetoides thermophila
49AB
(CU)
Faf1polymer31134576.61UniProt (G0S5F1)Thermochaetoides thermophila
50BB
(C1)
35s rnapolymer2344755853.61Thermochaetoides thermophila
51CB
(C2)
u3 rnapolymer27487969.61Thermochaetoides thermophila
52DB
(CW)
Ribosome biogenesis protein ENP2polymer66875833.81UniProt (G0S902)Thermochaetoides thermophila
53EB
(UT)
UTP20polymer2612295278.91UniProt (G0SHP3)Thermochaetoides thermophila
54FB
(UH)
UTP8polymer930102421.11UniProt (P0CT47)Thermochaetoides thermophila
55GB, MB
(UE, UI)
Small-subunit processome Utp12 domain-containing proteinpolymer41044663.42UniProt (G0RYX2)Thermochaetoides thermophila
56HB
(US)
CCAAT-binding factor domain-containing proteinpolymer54963331.71UniProt (G0RZL4)Thermochaetoides thermophila
57IB
(Cl)
Putative ribosomal proteinpolymer15617826.71UniProt (G0S6J7)Thermochaetoides thermophila
58JB
(CX)
Bystin-like proteinpolymer48054319.61UniProt (G0S5J4)Thermochaetoides thermophila
59KB
(CY)
U3 small nucleolar ribonucleoprotein protein lcp5-like proteinpolymer38142625.41UniProt (G0S7Z2)Thermochaetoides thermophila
60LB
(CZ)
Protein BFR2polymer60969040.61UniProt (G0SAJ6)Thermochaetoides thermophila
61NB
(UP)
UTP16polymer36440726.01UniProt (G0S612)Thermochaetoides thermophila
62OB
(UX)
ZINC IONnon-polymer65.41Chemie (ZN)
PubChem (32051)
63PB
(CI)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
64QB
(CI)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
PubChem (888)
65RB
(CS)
ADENOSINE-5'-DIPHOSPHATEnon-polymer427.21Chemie (ADP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains66
Total formula weight4472238.2
Non-Polymers*Number of molecules4
Total formula weight1040.1
All*Total formula weight4473278.3
*Water molecules are not included.

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PDB entries from 2026-06-24

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