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9XFL

In vitro structure of bacterial 50S ribosomes

This is a non-PDB format compatible entry.
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(I)
23S rRNApolymer2904941811.61GenBank (CP167195.1)Escherichia coli
2B
(J)
5S rRNApolymer11838177.81GenBank (1727529157)Escherichia coli
3C
(K)
Large ribosomal subunit protein uL2polymer27129663.21UniProt (P60422)Escherichia coli50S ribosomal protein L2
4D
(L)
Large ribosomal subunit protein uL3polymer20922277.51UniProt (P60438)Escherichia coli50S ribosomal protein L3
5E
(M)
50S ribosomal protein L4polymer20122121.61UniProt (P60723)Escherichia coliLarge ribosomal subunit protein uL4
6F
(N)
50S ribosomal protein L5polymer17720073.21UniProt (P62399)Escherichia coliLarge ribosomal subunit protein uL5
7G
(O)
Large ribosomal subunit protein uL6polymer17618801.61UniProt (P0AG55)Escherichia coli50S ribosomal protein L6
8H
(P)
50S ribosomal protein L9polymer14915789.01UniProt (P0A7R1)Escherichia coliLarge ribosomal subunit protein bL9
9I
(Q)
50S ribosomal protein L11polymer13414020.31UniProt (P0A7J7)Escherichia coliLarge ribosomal subunit protein uL11
10J
(R)
50S ribosomal protein L13polymer14216050.61UniProt (P0AA10)Escherichia coliLarge ribosomal subunit protein uL13
11K
(S)
Large ribosomal subunit protein uL14polymer12213451.91UniProt (P0ADY3)Escherichia coli50S ribosomal protein L14
12L
(T)
50S ribosomal protein L15polymer14415008.51UniProt (P02413)Escherichia coliLarge ribosomal subunit protein uL15
13M
(U)
Large ribosomal subunit protein uL16polymer13615327.31UniProt (P0ADY7)Escherichia coli50S ribosomal protein L16
14N
(V)
Large ribosomal subunit protein bL17polymer12013721.91UniProt (P0AG44)Escherichia coli50S ribosomal protein L17
15O
(W)
50S ribosomal protein L18polymer11612663.51UniProt (P0C018)Escherichia coliLarge ribosomal subunit protein uL18
16P
(X)
50S ribosomal protein L19polymer11413028.11UniProt (P0A7K6)Escherichia coliLarge ribosomal subunit protein bL19
17Q
(Y)
50S ribosomal protein L20polymer11713396.81UniProt (P0A7L3)Escherichia coliLarge ribosomal subunit protein bL20
18R
(Z)
50S ribosomal protein L21polymer10311586.41UniProt (P0AG48)Escherichia coliLarge ribosomal subunit protein bL21
19S
(a)
50S ribosomal protein L22polymer11012253.41UniProt (P61175)Escherichia coliLarge ribosomal subunit protein uL22
20T
(b)
50S ribosomal protein L23polymer9310546.51UniProt (P0ADZ0)Escherichia coliLarge ribosomal subunit protein uL23
21U
(c)
Large ribosomal subunit protein uL24polymer10211078.91UniProt (P60624)Escherichia coli50S ribosomal protein L24
22V
(d)
50S ribosomal protein L25polymer9410713.51UniProt (P68919)Escherichia coliLarge ribosomal subunit protein bL25
23W
(e)
50S ribosomal protein L27polymer758174.41UniProt (P0A7L8)Escherichia coliLarge ribosomal subunit protein bL27
24X
(f)
50S ribosomal protein L28polymer778896.41UniProt (P0A7M2)Escherichia coliLarge ribosomal subunit protein bL28
25Y
(g)
50S ribosomal protein L29polymer627155.31UniProt (P0A7M6)Escherichia coliLarge ribosomal subunit protein uL29
26Z
(h)
50S ribosomal protein L30polymer586423.61UniProt (P0AG51)Escherichia coliLarge ribosomal subunit protein uL30
27AA
(i)
Large ribosomal subunit protein bL32polymer566332.21UniProt (P0A7N4)Escherichia coli50S ribosomal protein L32
28BA
(j)
50S ribosomal protein L33polymer505814.81UniProt (P0A7N9)Escherichia coliLarge ribosomal subunit protein bL33
29CA
(k)
50S ribosomal protein L34polymer465397.51UniProt (P0A7P5)Escherichia coliLarge ribosomal subunit protein bL34
30DA
(l)
50S ribosomal protein L35polymer647181.81UniProt (P0A7Q1)Escherichia coliLarge ribosomal subunit protein bL35,Ribosomal protein A
31EA
(m)
50S ribosomal protein L36polymer384377.41UniProt (P0A7Q6)Escherichia coliLarge ribosomal subunit protein bL36-A,Ribosomal protein B
32AB, AC, AD, AE, AF...
(I, J, K, L, T...)
MAGNESIUM IONnon-polymer24.3176Chemie (MG)
PubChem (888)
33WG
(K)
SODIUM IONnon-polymer23.01Chemie (NA)
PubChem (923)
34AH
(m)
ZINC IONnon-polymer65.41Chemie (ZN)
35AI, BH, BI, CH, CI...
(h, I, i, J, j...)
waterwater18.03284Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains31
Total formula weight1351316.4
Non-Polymers*Number of molecules178
Total formula weight4366.1
All*Total formula weight1355682.4
*Water molecules are not included.

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PDB entries from 2026-04-01

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