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5MMJ

Structure of the small subunit of the chloroplast ribosome

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(0)
50S ribosomal protein L31polymer13014748.21UniProt (A0A0K9R0R6)
Pfam (PF01197)
UniProt (by SIFTS) (P82249)
Spinacia oleracea (Spinach)plastid ribosomal protein bL31c
2B
(8)
plastid ribosomal protein bS1cpolymer17414826.31Spinacia oleracea (Spinach)
3C
(a)
16S ribosomal RNApolymer1491483466.51GenBank (7636084)Spinacia oleraceaplastid 16S rRNA
4D
(b)
30S ribosomal protein S2, chloroplasticpolymer23626736.11UniProt (P08242)
Pfam (PF00318)
Spinacia oleracea (Spinach)plastid ribosomal protein uS2c
5E
(c)
30S ribosomal protein S3, chloroplasticpolymer21824965.21UniProt (P09595)
Pfam (PF00189)
Spinacia oleracea (Spinach)plastid ribosomal protein uS3c
6F
(d)
30S ribosomal protein S4, chloroplasticpolymer20123454.51UniProt (P13788)
Pfam (PF00163)
Pfam (PF01479)
Spinacia oleracea (Spinach)plastid ribosomal protein uS4c
7G
(e)
30S ribosomal protein S5, chloroplasticpolymer30833626.41UniProt (Q9ST69)
Pfam (PF00333)
Pfam (PF03719)
Spinacia oleracea (Spinach)plastid ribosomal protein uS5c
8H
(f)
plastid ribosomal protein bS6cpolymer21123510.71UniProt (A0A0K9R0H2)
Pfam (PF01250)
UniProt (by SIFTS) (P82403)
Spinacia oleracea (Spinach)
9I
(g)
30S ribosomal protein S7, chloroplasticpolymer15517378.31UniProt (P82129)
Pfam (PF00177)
Spinacia oleracea (Spinach)plastid ribosomal protein uS7c
10J
(h)
30S ribosomal protein S8, chloroplasticpolymer13415527.31UniProt (P09597)
Pfam (PF00410)
Spinacia oleracea (Spinach)plastid ribosomal protein uS8c
11K
(i)
plastid ribosomal protein uS9cpolymer20822415.11UniProt (A0A0K9RY17)
Pfam (PF00380)
UniProt (by SIFTS) (P82278)
Spinacia oleracea (Spinach)
12L
(j)
plastid ribosomal protein uS10cpolymer19521440.51UniProt (A0A0K9RWE7)
Pfam (PF00338)
UniProt (by SIFTS) (P82162)
Spinacia oleracea (Spinach)
13M
(k)
30S ribosomal protein S11, chloroplasticpolymer13814927.61UniProt (P06506)
Pfam (PF00411)
Spinacia oleracea (Spinach)plastid ribosomal protein uS11c
14N
(l)
30S ribosomal protein S12, chloroplasticpolymer12313794.31UniProt (P62128)
Pfam (PF00164)
Spinacia oleracea (Spinach)plastid ribosomal protein uS12c
15O
(m)
plastid ribosomal protein uS13cpolymer17219310.61UniProt (A0A0K9R024)
Pfam (PF00416)
UniProt (by SIFTS) (P82163)
Spinacia oleracea (Spinach)
16P
(n)
30S ribosomal protein S14, chloroplasticpolymer10011809.81UniProt (P06507)
Pfam (PF00253)
Spinacia oleracea (Spinach)plastid ribosomal protein uS14c
17Q
(o)
30S ribosomal protein S15, chloroplasticpolymer9010778.81UniProt (Q9M3I4)
Pfam (PF00312)
Spinacia oleracea (Spinach)plastid ribosomal protein uS15c
18R
(p)
30S ribosomal protein S16, chloroplasticpolymer8810454.21UniProt (P28807)
Pfam (PF00886)
Spinacia oleracea (Spinach)plastid ribosomal protein bS16c
19S
(q)
plastid ribosomal protein uS17cpolymer16518151.91UniProt (A0A0K9RRR0)
Pfam (PF00366)
UniProt (by SIFTS) (P82137)
Spinacia oleracea (Spinach)
20T
(r)
30S ribosomal protein S18, chloroplasticpolymer10112079.11UniProt (Q9M3K7)
Pfam (PF01084)
Spinacia oleracea (Spinach)plastid ribosomal protein uS18c
21U
(s)
30S ribosomal protein S19 alpha, chloroplasticpolymer9210632.51UniProt (P06508)
Pfam (PF00203)
Spinacia oleracea (Spinach)plastid ribosomal protein uS19c, CS-S23
22V
(t)
plastid ribosomal protein bS20cpolymer18320147.31Pfam (PF01649)
UniProt (by SIFTS) (P82130)
Spinacia oleracea (Spinach)
23W
(u)
plastid ribosomal protein bS21cpolymer18020616.21UniProt (A0A0K9RHF9)
Pfam (PF01165)
UniProt (by SIFTS) (P82024)
Spinacia oleracea (Spinach)
24X
(v)
30S ribosomal protein 2, chloroplasticpolymer26028327.91UniProt (P82277)
Pfam (PF00076)
Spinacia oleracea (Spinach)plastid ribosomal protein cS22, Plastid-specific 30S ribosomal protein 2,PSRP-2
25Y
(w)
30S ribosomal protein 3, chloroplasticpolymer17920312.81UniProt (P82412)
Pfam (PF04839)
Spinacia oleracea (Spinach)plastid ribosomal protein cS23, Plastid-specific 30S ribosomal protein 3,PSRP-3
26Z
(x)
30S ribosomal protein S31, chloroplasticpolymer10110602.11UniProt (P47910)
Pfam (PF17067)
Spinacia oleracea (Spinach)plastid ribosomal protein bTHXc, Plastid-specific 30S ribosomal protein 4,PSRP-4
27AA
(y)
Ribosome-binding factor PSRP1, chloroplasticpolymer30233799.31UniProt (P19954)
Pfam (PF02482)
Pfam (PF16321)
Spinacia oleracea (Spinach)plastid pY, 30S ribosomal protein 1,CS-S5,CS5,Plastid-specific 30S ribosomal protein 1,PSrp-1,Ribosomal protein 1,S22
28AB, AC, AD, AE, AF...
(a, k, l, x)
MAGNESIUM IONnon-polymer24.3185Chemie (MG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains27
Total formula weight977839.2
Non-Polymers*Number of molecules185
Total formula weight4496.4
All*Total formula weight982335.6
*Water molecules are not included.

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PDB entries from 2025-07-09

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