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6YBS

Structure of a human 48S translational initiation complex - head

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(x)
Eukaryotic translation initiation factor 3 subunit Dpolymer54864060.81UniProt (O15371)
Pfam (PF05091)
Homo sapiens (human)eIF3d,Eukaryotic translation initiation factor 3 subunit 7,eIF-3-zeta,eIF3 p66
2B
(c)
Receptor of activated protein C kinase 1polymer31735115.71UniProt (P63244)
Pfam (PF00400)
Homo sapiens (human)Cell proliferation-inducing gene 21 protein,Guanine nucleotide-binding protein subunit beta-2-like 1,Guanine nucleotide-binding protein subunit beta-like protein 12.3,Human lung cancer oncogene 7 protein,HLC-7,Receptor for activated C kinase,Small ribosomal subunit protein RACK1
3C
(n)
40S ribosomal protein S28polymer697855.11UniProt (P62857)
Pfam (PF01200)
Homo sapiens (human)Small ribosomal subunit protein eS28
4D
(X)
40S ribosomal protein S17polymer13515578.21UniProt (P08708)
Pfam (PF00833)
Homo sapiens (human)Small ribosomal subunit protein eS17
5E
(h)
40S ribosomal protein S20polymer11913398.81UniProt (P60866)
Pfam (PF00338)
Homo sapiens (human)Small ribosomal subunit protein uS10
6F
(o)
Eukaryotic translation initiation factor 3 subunit Gpolymer32035662.01UniProt (O75821)
Pfam (PF12353)
Pfam (PF00076)
Homo sapiens (human)eIF3g,Eukaryotic translation initiation factor 3 RNA-binding subunit,eIF-3 RNA-binding subunit,Eukaryotic translation initiation factor 3 subunit 4,eIF-3-delta,eIF3 p42,eIF3 p44
7G
(a)
40S ribosomal protein S10polymer16518933.81UniProt (P46783)
Pfam (PF03501)
Homo sapiens (human)Small ribosomal subunit protein eS10
8H
(m)
40S ribosomal protein S12polymer13214539.01UniProt (P25398)
Pfam (PF01248)
Homo sapiens (human)Small ribosomal subunit protein eS12
9I
(i)
40S ribosomal protein S29polymer566690.81UniProt (P62273)
Pfam (PF00253)
Homo sapiens (human)Small ribosomal subunit protein uS14
10J
(b)
40S ribosomal protein S15polymer14517076.21UniProt (P62841)
Pfam (PF00203)
Homo sapiens (human)RIG protein,Small ribosomal subunit protein uS19
11K
(Z)
40S ribosomal protein S3polymer24326729.41UniProt (P23396)
Pfam (PF07650)
Pfam (PF00189)
Homo sapiens (human)Small ribosomal subunit protein uS3
12L
(d)
40S ribosomal protein S19polymer14516091.61UniProt (P39019)
Pfam (PF01090)
Homo sapiens (human)Small ribosomal subunit protein eS19
13M
(e)
40S ribosomal protein S25polymer12513776.21UniProt (P62851)
Pfam (PF03297)
Homo sapiens (human)Small ribosomal subunit protein eS25
14N
(f)
40S ribosomal protein S18polymer15217759.81UniProt (P62269)
Pfam (PF00416)
Homo sapiens (human)Ke-3,Ke3,Small ribosomal subunit protein uS13
15O
(V)
40S ribosomal protein S5polymer20422913.51UniProt (P46782)
Pfam (PF00177)
Homo sapiens (human)Small ribosomal subunit protein uS7
16P
(k)
Ubiquitin-40S ribosomal protein S27apolymer15618004.01UniProt (P62979)
Pfam (PF00240)
Pfam (PF01599)
Homo sapiens (human)Ubiquitin carboxyl extension protein 80
17Q
(Y)
40S ribosomal protein S16polymer14616477.41UniProt (P62249)
Pfam (PF00380)
Homo sapiens (human)Small ribosomal subunit protein uS9
18R
(A)
18S rRNApolymer1869603130.41Homo sapiens
19AA, BA, CA, DA, EA...
(A, f)
MAGNESIUM IONnon-polymer24.329Chemie (MG)
20T
(k)
ZINC IONnon-polymer65.41Chemie (ZN)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains18
Total formula weight963792.4
Non-Polymers*Number of molecules30
Total formula weight770.3
All*Total formula weight964562.7
*Water molecules are not included.

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PDB entries from 2025-06-11

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