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5TZS

Architecture of the yeast small subunit processome

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(0)
5' external transcribed spacerpolymer36472801.51Saccharomyces cerevisiae S288c (yeast)
2B
(1)
18S ribosomal RNApolymer1800579761.91GenBank (831416138)Saccharomyces cerevisiae S288C
3C
(2)
U3 snoRNApolymer12637614.81Saccharomyces cerevisiae S288c (yeast)
4D
(3)
40S ribosomal protein S6-Apolymer23627054.51UniProt (P0CX37)
Pfam (PF01092)
Saccharomyces cerevisiae S288CRP9,S10,YS4
5E
(5)
40S ribosomal protein S4-Apolymer26129469.31UniProt (P0CX35)
Pfam (PF08071)
Pfam (PF01479)
Pfam (PF00900)
Pfam (PF00467)
Pfam (PF16121)
Saccharomyces cerevisiae S288CRP5,S7,YS6
6F
(6)
40S ribosomal protein S5polymer22525072.61UniProt (P26783)
Pfam (PF00177)
Saccharomyces cerevisiae S288CRP14,S2,YS8
7G
(7)
40S ribosomal protein S7-Apolymer19021658.21UniProt (P26786)
Pfam (PF01251)
Saccharomyces cerevisiae S288CRP30,RP40
8H
(8)
40S ribosomal protein S8-Apolymer20022537.81UniProt (P0CX39)
Pfam (PF01201)
Saccharomyces cerevisiae S288CRP19,S14,YS9
9I
(9)
40S ribosomal protein S9-Apolymer19722487.91UniProt (O13516)
Pfam (PF00163)
Pfam (PF01479)
Saccharomyces cerevisiae S288CRP21,S13,YP28,YS11
10J
(A)
5' domain-associatedpolymer397602.71Saccharomyces cerevisiae S288c (yeast)
11K
(B)
3' domain-associatedpolymer10821133.31Saccharomyces cerevisiae S288c (yeast)
12L
(C)
40S ribosomal protein S16-Apolymer14315877.51UniProt (P0CX51)
Pfam (PF00380)
Saccharomyces cerevisiae S288CRP61R
13M
(D)
40S ribosomal protein S11-Apolymer15617785.91UniProt (P0CX47)
Pfam (PF16205)
Pfam (PF00366)
Saccharomyces cerevisiae S288CRP41,S18,YS12
14N
(E)
40S ribosomal protein S22-Apolymer13014650.11UniProt (P0C0W1)
Pfam (PF00410)
Saccharomyces cerevisiae S288CRP50,S24,YP58,YS22
15O
(F)
40S ribosomal protein S24-Apolymer13515362.81UniProt (P0CX31)
Pfam (PF01282)
Saccharomyces cerevisiae S288CRP50
16P
(G)
40S ribosomal protein S28-Apolymer677619.91UniProt (Q3E7X9)
Pfam (PF01200)
Saccharomyces cerevisiae S288CS33,YS27
17Q
(H)
Utp4polymer54446315.21Saccharomyces cerevisiae S288c (yeast)
18R
(I)
UtpA_CTD1polymer17614996.51Saccharomyces cerevisiae S288c (yeast)
19S, T
(J, K)
UtpA_CTD2polymer1079124.22Saccharomyces cerevisiae S288c (yeast)
20U
(M)
Beta-propeller 2polymer25821975.01Saccharomyces cerevisiae S288c (yeast)
21V
(N)
Utp17polymer54546400.31Saccharomyces cerevisiae S288c (yeast)
22W
(O)
Utp1polymer63854315.11Saccharomyces cerevisiae S288c (yeast)
23X
(P)
Utp6polymer30626060.01Saccharomyces cerevisiae S288c (yeast)
24Y
(Q)
Utp12polymer71060442.41Saccharomyces cerevisiae S288c (yeast)
25Z
(R)
Utp13polymer71761038.21Saccharomyces cerevisiae S288c (yeast)
26AA
(S)
Utp18polymer25021294.21Saccharomyces cerevisiae S288c (yeast)
27BA
(T)
U3 small nucleolar RNA-associated protein 21,Utp21polymer78183438.21UniProt (Q06078)
Pfam (PF00400)
Saccharomyces cerevisiae S288CU3 snoRNA-associated protein 21,U three protein 21
28CA
(U)
Beta-propeller 5polymer28424187.71Saccharomyces cerevisiae S288c (yeast)
29DA
(V)
Enp2polymer26322400.51Saccharomyces cerevisiae S288c (yeast)
30EA
(W)
UtpA_CTD4polymer1048868.91Saccharomyces cerevisiae S288c (yeast)
31FA
(X)
Kre33polymer64054485.31Saccharomyces cerevisiae S288c (yeast)
32GA
(Y)
Kre33polymer64154570.41Saccharomyces cerevisiae S288c (yeast)
33HA
(Z)
Imp3polymer15112868.91Saccharomyces cerevisiae S288c (yeast)
34IA
(a)
Nop56polymer31226570.61Saccharomyces cerevisiae S288c (yeast)
35JA
(b)
Nop58polymer34129038.71Saccharomyces cerevisiae S288c (yeast)
36KA
(c)
Nop1polymer22118826.11Saccharomyces cerevisiae S288c (yeast)
37LA
(d)
Nop1polymer21618400.61Saccharomyces cerevisiae S288c (yeast)
38MA, NA
(e, f)
13 kDa ribonucleoprotein-associated proteinpolymer12613582.92UniProt (P39990)
Pfam (PF01248)
Saccharomyces cerevisiae S288CSmall nuclear ribonucleoprotein-associated protein 1
39OA
(g)
Ribosomal RNA-processing protein 9polymer57365147.01UniProt (Q06506)
Pfam (PF00400)
Saccharomyces cerevisiae S288C
40PA
(h)
RNA 3'-terminal phosphate cyclase-like proteinpolymer36740220.61UniProt (Q08096)
Pfam (PF01137)
Pfam (PF05189)
Saccharomyces cerevisiae S288C
41QA
(i)
Bms1,Ribosome biogenesis protein BMS1,Bms1,Ribosome biogenesis protein BMS1polymer51146598.31UniProt (Q08965)Saccharomyces cerevisiae S288c (yeast)
42RA, SA
(j, k)
Ribosomal RNA small subunit methyltransferase NEP1polymer25227936.52UniProt (Q06287)
Pfam (PF03587)
Saccharomyces cerevisiae S288C18S rRNA (pseudouridine(1189)-N1)-methyltransferase,18S rRNA Psi1189 methyltransferase,Essential for mitotic growth protein 1,Nucleolar essential protein 1
43TA
(l)
Utp24polymer12410571.01Saccharomyces cerevisiae S288c (yeast)
44UA
(m)
Imp4polymer15613294.41Saccharomyces cerevisiae S288c (yeast)
45VA
(n)
Utp30polymer16013634.81Saccharomyces cerevisiae S288c (yeast)
46WA
(o)
Unassigned KH domainpolymer17514911.41Saccharomyces cerevisiae S288c (yeast)
47XA
(p)
Utp20polymer92478654.31Saccharomyces cerevisiae S288c (yeast)
48YA
(q)
Repeat protein 2polymer37231676.91Saccharomyces cerevisiae S288c (yeast)
49ZA
(r)
40S ribosomal protein S23-Apolymer14516073.91UniProt (P0CX29)
Pfam (PF00164)
Saccharomyces cerevisiae S288CRP37,S28,YS14
50AB, BB, CB
(s, t, u)
Beta-propeller 1polymer29024698.33Saccharomyces cerevisiae S288c (yeast)
51DB
(v)
Repeat protein 1polymer58049379.01Saccharomyces cerevisiae S288c (yeast)
52EB
(y)
Unassigned protein helicespolymer50743166.21Saccharomyces cerevisiae S288c (yeast)
53FB
(z)
Unassigned RNA helicespolymer7614858.31Saccharomyces cerevisiae S288c (yeast)
Sequence modifications
2: 39 - 265 (PDB: 5TZS)
2: 266 - 333 (PDB: 5TZS)
G: 1 - 67 (UniProt: Q3E7X9)
PDBExternal DatabaseDetails
Ala 17Gly 17conflict
T: 21 - 673 (UniProt: Q06078)
T: 900 - 1046 (PDB: 5TZS)
i: 68 - 305 (PDB: 5TZS)
i: 547 - 636 (UniProt: Q08965)
i: 704 - 1015 (PDB: 5TZS)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains58
Total formula weight2258551.3
All*Total formula weight2258551.3
*Water molecules are not included.

247536

PDB entries from 2026-01-14

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