Research workbench

Structure of the wt ires EIF2-containing 48S initiation complex, closed conformation. structure 12(WT).

Analyse Structure of the wt ires EIF2-containing 48S initiation complex, closed… in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB: 7SYR
Type: protein + RNA
Length: 7,137 residues
Chains: 39
Method: electron microscopy
Collection: MolNFT v1 / PDB
Contract: 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner: 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule: 18S rRNA; Eukaryotic translation initiation factor 1A, X-chromosomal; US2 (sa); ES1; US5…
UniProt: P47813, G1TLT8, G1SS70, G1TNM3, G1TK17, G1TFM5, G1TM55, G1SVB0, G1TJW1, B7NZS8, G1TPV3, G1TRM4, G1SFR8, G1SP51, G1U472, G1U0Q2, G1SGX4, G1TU13, G1TPG3, G1TN62, G1SIZ2, G1TM82, G1TG89, G1SZ47, G1T3D8, G1TDB3, G1TFE8, G1TZ76, G1TIB4, G1U7M4, G1T8A2, G1SK22, G1SJB4, P05198, A0A087WNH4
Ligands: ZN
Pockets: 20 · best druggability 0.89

Structure

electron microscopy · 39 distinct chains · 29% helix, 21% strand (DSSP).

Chain	Molecule	Type	Residues	Secondary structure	UniProt
2	18S rRNA	rna	1697	—	—
A	Eukaryotic translation initiation factor 1A, X-chromosomal	protein	99	9% helix, 25% strand	P47813
B	US2 (sa)	protein	217	40% helix, 15% strand	G1TLT8
C	ES1	protein	213	29% helix, 30% strand	G1SS70
D	US5	protein	221	31% helix, 26% strand	—
E	US3	protein	228	32% helix, 27% strand	G1TNM3
F	ES4 (S4 X isoform)	protein	262	13% helix, 31% strand	G1TK17
G	US7	protein	191	47% helix, 9% strand	G1TFM5
H	ES6	protein	237	28% helix, 20% strand	G1TM55
I	ES7	protein	185	36% helix, 20% strand	G1SVB0
J	ES8	protein	206	28% helix, 22% strand	G1TJW1
K	US4	protein	185	50% helix, 4% strand	B7NZS8
L	ES10	protein	96	40% helix, 17% strand	G1TPV3
M	US17	protein	151	0% helix, 30% strand	G1TRM4
N	ES12	protein	117	41% helix, 11% strand	G1SFR8
O	US15	protein	149	53% helix, 0% strand	G1SP51
P	US11	protein	136	21% helix, 24% strand	G1U472
Q	US19	protein	120	30% helix, 13% strand	G1U0Q2
R	US9	protein	142	35% helix, 16% strand	G1SGX4
S	ES17	protein	132	41% helix, 6% strand	G1TU13
T	US13	protein	144	44% helix, 9% strand	G1TPG3
U	ES19	protein	141	52% helix, 9% strand	G1TN62
V	US10	protein	100	24% helix, 37% strand	G1SIZ2
W	ES21	protein	83	22% helix, 19% strand	G1TM82
X	US8	protein	129	33% helix, 26% strand	G1TG89
Y	US12	protein	141	21% helix, 27% strand	G1SZ47
Z	ES24	protein	124	34% helix, 28% strand	G1T3D8
a	ES25	protein	77	45% helix, 16% strand	G1TDB3
b	ES26	protein	101	11% helix, 23% strand	G1TFE8
c	ES27	protein	83	7% helix, 16% strand	G1TZ76
d	ES28	protein	67	0% helix, 40% strand	G1TIB4
e	US14	protein	55	31% helix, 9% strand	G1U7M4
f	ES30	protein	57	32% helix, 0% strand	G1T8A2
g	ES31	protein	68	4% helix, 12% strand	G1SK22
h	Receptor for activated C kinase 1 (RACK1)	protein	313	0% helix, 50% strand	G1SJB4
i	Met-tRNA-I-met	rna	75	—	—
j	Eukaryotic translation initiation factor 2 subunit 1	protein	182	43% helix, 19% strand	P05198
n	EL41	protein	25	84% helix, 0% strand	A0A087WNH4
z	HCV ires	rna	188	—	—

Ligands and binding sites

ZN · Zinc ion · metal · chains b

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.

Pocket	Volume (Å³)	Druggability	Buriedness	Lining residues	Inside
1	774	0.89	0.93	82	empty
2	1060	0.88	0.90	76	empty
3	587	0.86	0.93	66	empty
4	538	0.86	0.92	69	empty
5	784	0.86	0.89	82	empty

Interfaces

117 interfaces between chains.

2–H · 5246 Å² buried · 109 hydrogen bonds · protein-nucleic
2–J · 4274 Å² buried · 81 hydrogen bonds · protein-nucleic
2–F · 3733 Å² buried · 60 hydrogen bonds · protein-nucleic
2–Y · 3509 Å² buried · 74 hydrogen bonds · protein-nucleic
2–K · 3497 Å² buried · 53 hydrogen bonds · protein-nucleic

Modifications

Observed in the structure: 3 disulfide (disulfide).

Compared structures

7SYR · Structure of the wt IRES eIF2-containing 48S initiation complex, closed conformation.… · the same entry in another collection · chain F against F, TM-score 1.00

Analyse

Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
Every structure of UniProt P47813
Every structure of UniProt G1TLT8
Every structure of UniProt G1SS70
Every structure of UniProt G1TNM3
Every structure of UniProt G1TK17
Every structure of UniProt G1TFM5
Every structure of UniProt G1TM55
Every structure of UniProt G1SVB0
Every structure of UniProt G1TJW1
Every structure of UniProt B7NZS8
Every structure of UniProt G1TPV3
Every structure of UniProt G1TRM4
Every structure of UniProt G1SFR8
Every structure of UniProt G1SP51
Every structure of UniProt G1U472
Every structure of UniProt G1U0Q2
Every structure of UniProt G1SGX4
Every structure of UniProt G1TU13
Every structure of UniProt G1TPG3
Every structure of UniProt G1TN62
Every structure of UniProt G1SIZ2
Every structure of UniProt G1TM82
Every structure of UniProt G1TG89
Every structure of UniProt G1SZ47
Every structure of UniProt G1T3D8
Every structure of UniProt G1TDB3
Every structure of UniProt G1TFE8
Every structure of UniProt G1TZ76
Every structure of UniProt G1TIB4
Every structure of UniProt G1U7M4
Every structure of UniProt G1T8A2
Every structure of UniProt G1SK22
Every structure of UniProt G1SJB4
Every structure of UniProt P05198
Every structure of UniProt A0A087WNH4
Elsewhere: RCSB PDB 7SYR · PDBe 7SYR · UniProt P47813 · UniProt G1TLT8 · UniProt G1SS70 · UniProt G1TNM3 · UniProt G1TK17 · UniProt G1TFM5 · UniProt G1TM55 · UniProt G1SVB0 · UniProt G1TJW1 · UniProt B7NZS8 · UniProt G1TPV3 · UniProt G1TRM4 · UniProt G1SFR8 · UniProt G1SP51 · UniProt G1U472 · UniProt G1U0Q2 · UniProt G1SGX4 · UniProt G1TU13 · UniProt G1TPG3 · UniProt G1TN62 · UniProt G1SIZ2 · UniProt G1TM82 · UniProt G1TG89 · UniProt G1SZ47 · UniProt G1T3D8 · UniProt G1TDB3 · UniProt G1TFE8 · UniProt G1TZ76 · UniProt G1TIB4 · UniProt G1U7M4 · UniProt G1T8A2 · UniProt G1SK22 · UniProt G1SJB4 · UniProt P05198 · UniProt A0A087WNH4

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