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5NCO

Quaternary complex between SRP, SR, and SecYEG bound to the translating ribosome

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(1)
4.5S SRP RNA (Ffs)polymer10433611.91GenBank (1126835766)Escherichia coli
2B
(2)
P-site tRNA-CCA endpolymer3894.61Escherichia coli
3C
(A)
23S rRNApolymer2903941306.21GenBank (2073407)Escherichia coli
4D
(B)
5S rRNApolymer12038790.11GenBank (1114321404)Escherichia coli
5E
(C)
50S ribosomal protein L2polymer27129663.21UniProt (P60422)
Pfam (PF00181)
Pfam (PF03947)
Escherichia coli
6F
(D)
50S ribosomal protein L3polymer20922277.51UniProt (P60438)
Pfam (PF00297)
Escherichia coli
7G
(E)
50S ribosomal protein L4polymer20122121.61UniProt (P60723)
Pfam (PF00573)
Escherichia coli
8H
(F)
50S ribosomal protein L5polymer17720073.21UniProt (P62399)
Pfam (PF00281)
Pfam (PF00673)
Escherichia coli
9I
(G)
50S ribosomal protein L6polymer17618801.61UniProt (P0AG55)
Pfam (PF00347)
Escherichia coli
10J
(H)
50S ribosomal protein L9polymer14915789.01UniProt (P0A7R1)
Pfam (PF03948)
Pfam (PF01281)
Escherichia coli
11K
(I)
50S ribosomal protein L10polymer12513497.61UniProt (P0A7J3)
Pfam (PF00466)
Escherichia coli50S ribosomal protein L8
12L
(J)
50S ribosomal protein L11polymer13414020.31UniProt (P0A7J7)
Pfam (PF03946)
Pfam (PF00298)
Escherichia coli
13M
(K)
50S ribosomal protein L13polymer14216050.61UniProt (P0AA10)
Pfam (PF00572)
Escherichia coli
14N
(L)
50S ribosomal protein L14polymer12313565.11UniProt (P0ADY3)
Pfam (PF00238)
Escherichia coli
15O
(M)
50S ribosomal protein L15polymer14415008.51UniProt (P02413)
Pfam (PF00828)
Escherichia coli
16P
(N)
50S ribosomal protein L16polymer13615312.31UniProt (P0ADY7)
Pfam (PF00252)
Escherichia coli
17Q
(O)
50S ribosomal protein L17polymer12514193.51UniProt (P0AG44)
Pfam (PF01196)
Escherichia coli
18R
(P)
50S ribosomal protein L18polymer11712794.71UniProt (P0C018)
Pfam (PF00861)
Escherichia coli
19S
(Q)
50S ribosomal protein L19polymer11413028.11UniProt (P0A7K6)
Pfam (PF01245)
Escherichia coli
20T
(R)
50S ribosomal protein L20polymer11713396.81UniProt (P0A7L3)
Pfam (PF00453)
Escherichia coli
21U
(S)
50S ribosomal protein L21polymer10311586.41UniProt (P0AG48)
Pfam (PF00829)
Escherichia coli
22V
(T)
50S ribosomal protein L22polymer11012253.41UniProt (P61175)
Pfam (PF00237)
Escherichia coli
23W
(U)
50S ribosomal protein L23polymer9510776.71UniProt (P0ADZ0)
Pfam (PF00276)
Escherichia coli
24X
(V)
50S ribosomal protein L24polymer10211078.91UniProt (P60624)
Pfam (PF00467)
Pfam (PF17136)
Escherichia coli
25Y
(W)
50S ribosomal protein L25polymer9410713.51UniProt (P68919)
Pfam (PF01386)
Escherichia coli
26Z
(X)
50S ribosomal protein L27polymer768275.51UniProt (P0A7L8)
Pfam (PF01016)
Escherichia coli
27AA
(Y)
50S ribosomal protein L28polymer778896.41UniProt (P0A7M2)
Pfam (PF00830)
Escherichia coli
28BA
(Z)
50S ribosomal protein L29polymer627155.31UniProt (P0A7M6)
Pfam (PF00831)
Escherichia coli
29CA
(a)
50S ribosomal protein L30polymer586423.61UniProt (P0AG51)
Pfam (PF00327)
Escherichia coli
30DA
(b)
50S ribosomal protein L32polymer566332.21UniProt (P0A7N4)
Pfam (PF01783)
Escherichia coli
31EA
(c)
50S ribosomal protein L33polymer515928.01UniProt (P0A7N9)
Pfam (PF00471)
Escherichia coli
32FA
(d)
50S ribosomal protein L34polymer465397.51UniProt (P0A7P5)
Pfam (PF00468)
Escherichia coli
33GA
(e)
50S ribosomal protein L35polymer647181.81UniProt (P0A7Q1)
Pfam (PF01632)
Escherichia coliRibosomal protein A
34HA
(f)
50S ribosomal protein L36polymer384377.41UniProt (P0A7Q6)
Pfam (PF00444)
Escherichia coliRibosomal protein B
35IA
(g)
Protein translocase subunit SecYpolymer41645628.01UniProt (P0AGA2)
Pfam (PF00344)
Escherichia coli
36JA
(h)
Protein translocase subunit SecEpolymer566241.41UniProt (P0AG96)
Pfam (PF00584)
Escherichia coli
37KA
(i)
Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle protein,Signal recognition particle proteinpolymer45048514.71UniProt (P0AGD7)
Pfam (PF02881)
Pfam (PF00448)
Pfam (PF02978)
Escherichia coliFifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48,Fifty-four homolog,Ffh,p48
38LA
(j)
Protein-export membrane protein SecGpolymer717234.61UniProt (P0AG99)
Pfam (PF03840)
Escherichia coliP12,Preprotein translocase band 1 subunit
39MA
(k)
Signal sequence (1A9L)polymer232276.81Escherichia coli
40NA
(l)
Signal recognition particle receptor FtsYpolymer27129443.71UniProt (P10121)
Pfam (PF02881)
Pfam (PF00448)
Escherichia coliSRP receptor
41OA
(f)
ZINC IONnon-polymer65.41Chemie (ZN)
42PA, SA
(i, l)
TETRAFLUOROALUMINATE IONnon-polymer103.02Chemie (ALF)
43QA, TA
(i, l)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
44RA, UA
(i, l)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.22Chemie (GDP)
Sequence modifications
i: 4 - 346 (UniProt: P0AGD7)
i: 347 - 368 (PDB: 5NCO)
i: 369 - 434 (UniProt: P0AGD7)
i: 435 - 453 (PDB: 5NCO)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains40
Total formula weight1539912.1
Non-Polymers*Number of molecules7
Total formula weight1206.4
All*Total formula weight1541118.4
*Water molecules are not included.

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PDB entries from 2025-06-11

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