9RPV image
Deposition Date 2025-06-25
Release Date 2025-12-10
Last Version Date 2026-06-24
Entry Detail
PDB ID:
9RPV
Keywords:
Title:
Structure of the ZAK-bound human disome
Biological Source:
Source Organism(s):
Homo sapiens (Taxon ID: 9606)
Method Details:
Experimental Method:
Resolution:
2.35 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
Macromolecular Entities
Polymer Type:polyribonucleotide
Molecule:mRNA of the collided 80S
Chain IDs:A (auth: A4)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:mRNA of the stalled 80S
Chain IDs:B (auth: A5)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:P/E tRNA on the collided 80S
Chain IDs:C (auth: B4)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:P-site tRNA of the stalled 80
Chain IDs:D (auth: B5)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:A/P tRNA on the collided 80S
Chain IDs:E (auth: D4)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Endothelial differentiation-r
Gene (Uniprot):EDF1
Chain IDs:F (auth: E4)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:E-site tRNA of the stalled 80
Chain IDs:G (auth: E5)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:28S rRNA of the collided 80S
Chain IDs:H (auth: L5)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:5S rRNA
Chain IDs:I (auth: L7), BB (auth: M7)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:5.8S rRNA of the collided 80S
Chain IDs:J (auth: L8)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L8
Gene (Uniprot):RPL8
Chain IDs:K (auth: LA)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L3
Gene (Uniprot):RPL3
Chain IDs:L (auth: LB)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L4
Gene (Uniprot):RPL4
Chain IDs:M (auth: LC), FB (auth: MC)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L5
Gene (Uniprot):RPL5
Chain IDs:N (auth: LD), GB (auth: MD)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL6
Chain IDs:O (auth: LE), HB (auth: ME)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL7
Chain IDs:P (auth: LF), IB (auth: MF)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L7a
Gene (Uniprot):RPL7A
Chain IDs:Q (auth: LG), JB (auth: MG)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L9
Gene (Uniprot):RPL9, RPL9P7, RPL9P8, RPL9P9
Chain IDs:R (auth: LH), KB (auth: MH)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ribosomal protein uL16-like
Gene (Uniprot):RPL10L
Chain IDs:S (auth: LI)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L11
Gene (Uniprot):RPL11
Chain IDs:T (auth: LJ), MB (auth: MJ)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL13
Chain IDs:U (auth: LL), NB (auth: ML)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L14
Gene (Uniprot):RPL14
Chain IDs:V (auth: LM), OB (auth: MM)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L15
Gene (Uniprot):RPL15
Chain IDs:W (auth: LN), PB (auth: MN)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L13a
Gene (Uniprot):RPL13A
Chain IDs:X (auth: LO), QB (auth: MO)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L17
Gene (Uniprot):RPL17
Chain IDs:Y (auth: LP), RB (auth: MP)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L18
Gene (Uniprot):RPL18
Chain IDs:Z (auth: LQ), SB (auth: MQ)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L19
Gene (Uniprot):RPL19
Chain IDs:AA (auth: LR), TB (auth: MR)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L18a
Gene (Uniprot):RPL18A
Chain IDs:BA (auth: LS), UB (auth: MS)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L21
Gene (Uniprot):RPL21
Chain IDs:CA (auth: LT), VB (auth: MT)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L22
Gene (Uniprot):RPL22
Chain IDs:DA (auth: LU), WB (auth: MU)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L23
Gene (Uniprot):RPL23
Chain IDs:EA (auth: LV), XB (auth: MV)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L24
Gene (Uniprot):RPL24
Chain IDs:FA (auth: LW), YB (auth: MW)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L23a
Gene (Uniprot):RPL23A
Chain IDs:GA (auth: LX), ZB (auth: MX)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L26
Gene (Uniprot):RPL26
Chain IDs:HA (auth: LY), AC (auth: MY)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L27
Gene (Uniprot):RPL27
Chain IDs:IA (auth: LZ), BC (auth: MZ)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L27a
Gene (Uniprot):RPL27A
Chain IDs:JA (auth: La)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L29
Gene (Uniprot):RPL29
Chain IDs:KA (auth: Lb)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L30
Gene (Uniprot):RPL30
Chain IDs:LA (auth: Lc), EC (auth: Mc)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L31
Gene (Uniprot):RPL31
Chain IDs:MA (auth: Ld), FC (auth: Md)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L32
Gene (Uniprot):RPL32
Chain IDs:NA (auth: Le), GC (auth: Me)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L35a
Gene (Uniprot):RPL35A
Chain IDs:OA (auth: Lf), HC (auth: Mf)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L34
Gene (Uniprot):RPL34
Chain IDs:PA (auth: Lg), IC (auth: Mg)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L35
Gene (Uniprot):RPL35
Chain IDs:QA (auth: Lh), JC (auth: Mh)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L36
Gene (Uniprot):RPL36
Chain IDs:RA (auth: Li), KC (auth: Mi)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL37
Chain IDs:SA (auth: Lj), LC (auth: Mj)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L38
Gene (Uniprot):RPL38
Chain IDs:TA (auth: Lk), MC (auth: Mk)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L39
Gene (Uniprot):RPL39
Chain IDs:UA (auth: Ll), NC (auth: Ml)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ubiquitin-60S ribosomal prote
Gene (Uniprot):UBA52
Chain IDs:VA (auth: Lm)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L41
Gene (Uniprot):RPL41
Chain IDs:WA (auth: Ln), PC (auth: Mn)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L36a
Gene (Uniprot):RPL36A
Chain IDs:XA (auth: Lo)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L37a
Gene (Uniprot):RPL37A
Chain IDs:YA (auth: Lp), RC (auth: Mp)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L28
Gene (Uniprot):RPL28
Chain IDs:ZA (auth: Lr)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:28S rRNA of the stalled 80S
Chain IDs:AB (auth: M5)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:5.8S rRNA of the stalled 80S
Chain IDs:CB (auth: M8)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL8
Chain IDs:DB (auth: MA)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL3
Chain IDs:EB (auth: MB)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L10
Gene (Uniprot):RPL10
Chain IDs:LB (auth: MI)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL27A
Chain IDs:CC (auth: Ma)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL29
Chain IDs:DC (auth: Mb)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ubiquitin-ribosomal protein e
Gene (Uniprot):UBA52
Chain IDs:OC (auth: Mm)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL36A
Chain IDs:QC (auth: Mo)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Large ribosomal subunit prote
Gene (Uniprot):RPL28
Chain IDs:SC (auth: Mr)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:60S ribosomal protein L10a
Gene (Uniprot):RPL10A
Chain IDs:TC (auth: Ms)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Mitogen-activated protein kin
Gene (Uniprot):MAP3K20
Chain IDs:UC (auth: N1), VC (auth: N2)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):RPSA
Chain IDs:WC (auth: RA)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S3a
Gene (Uniprot):RPS3A
Chain IDs:XC (auth: RB), GE (auth: SB)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S2
Gene (Uniprot):RPS2
Chain IDs:YC (auth: RC), HE (auth: SC)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S3
Gene (Uniprot):RPS3
Chain IDs:ZC (auth: RD), IE (auth: SD)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):RPS4X
Chain IDs:AD (auth: RE), JE (auth: SE)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S5
Gene (Uniprot):RPS5
Chain IDs:BD (auth: RF), KE (auth: SF)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S6
Gene (Uniprot):RPS6
Chain IDs:CD (auth: RG), LE (auth: SG)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S7
Gene (Uniprot):RPS7
Chain IDs:DD (auth: RH), ME (auth: SH)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S8
Gene (Uniprot):RPS8
Chain IDs:ED (auth: RI), NE (auth: SI)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S9
Gene (Uniprot):RPS9
Chain IDs:FD (auth: RJ), OE (auth: SJ)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S10
Gene (Uniprot):RPS10
Chain IDs:GD (auth: RK), PE (auth: SK)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S11
Gene (Uniprot):RPS11
Chain IDs:HD (auth: RL), QE (auth: SL)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S12
Gene (Uniprot):RPS12
Chain IDs:ID (auth: RM), JF (auth: Sf)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S13
Gene (Uniprot):RPS13
Chain IDs:JD (auth: RN), RE (auth: SN)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S14
Gene (Uniprot):RPS14
Chain IDs:KD (auth: RO), SE (auth: SO)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S15
Gene (Uniprot):RPS15
Chain IDs:LD (auth: RP), TE (auth: SP)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S16
Gene (Uniprot):RPS16
Chain IDs:MD (auth: RQ), UE (auth: SQ)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S17
Gene (Uniprot):RPS17
Chain IDs:ND (auth: RR), VE (auth: SR)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S18
Gene (Uniprot):RPS18
Chain IDs:OD (auth: RS), WE (auth: SS)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S19
Gene (Uniprot):RPS19
Chain IDs:PD (auth: RT), XE (auth: ST)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S20
Gene (Uniprot):RPS20
Chain IDs:QD (auth: RU), YE (auth: SU)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Small ribosomal subunit prote
Gene (Uniprot):RPS21
Chain IDs:RD (auth: RV)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S15a
Gene (Uniprot):RPS15A
Chain IDs:SD (auth: RW), AF (auth: SW)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S23
Gene (Uniprot):RPS23
Chain IDs:TD (auth: RX), BF (auth: SX)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S24
Gene (Uniprot):RPS24
Chain IDs:UD (auth: RY), CF (auth: SY)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S25
Gene (Uniprot):RPS25
Chain IDs:VD (auth: RZ), DF (auth: SZ)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S26
Gene (Uniprot):RPS26
Chain IDs:WD (auth: Ra), EF (auth: Sa)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S27
Gene (Uniprot):RPS27
Chain IDs:XD (auth: Rb), FF (auth: Sb)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S28
Gene (Uniprot):RPS28
Chain IDs:YD (auth: Rc), GF (auth: Sc)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S29
Gene (Uniprot):RPS29
Chain IDs:ZD (auth: Rd), HF (auth: Sd)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ubiquitin-like FUBI-ribosomal
Gene (Uniprot):FAU
Chain IDs:AE (auth: Re), IF (auth: Se)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Ubiquitin
Gene (Uniprot):RPS27A
Chain IDs:BE (auth: Rf), LF (auth: sh)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:Receptor of activated protein
Gene (Uniprot):RACK1
Chain IDs:CE (auth: Rg), KF (auth: Sg)
Chain Length:0
Number of Molecules:2
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:18S rRNA of the collided 80S
Chain IDs:DE (auth: S2)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polyribonucleotide
Molecule:18S rRNA of the stalled 80S
Chain IDs:EE (auth: S3)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein SA
Gene (Uniprot):RPSA
Chain IDs:FE (auth: SA)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Polymer Type:polypeptide(L)
Molecule:40S ribosomal protein S21
Gene (Uniprot):RPS21
Chain IDs:ZE (auth: SV)
Chain Length:0
Number of Molecules:1
Biological Source:Homo sapiens
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
HIC EB HIS modified residue
M3L OC LYS modified residue
MLZ DC LYS modified residue
V5N DB HIS modified residue
Primary Citation
ZAK activation at the collided ribosome.
Nature 649 1051 1060 (2026)
PMID: 41261136 DOI: 10.1038/s41586-025-09772-8

Abstact

Ribosome collisions activate the ribotoxic stress response mediated by the MAP3K ZAK, which in turn regulates cell-fate consequences through downstream phosphorylation of the MAPKs p38 and JNK1. Despite the critical role of ZAK during cellular stress, a mechanistic and structural understanding of ZAK-ribosome interactions and how these lead to activation remain elusive. Here we combine biochemistry and cryo-electron microscopy to discover distinct ZAK-ribosome interactions required for constitutive recruitment and for activation. We find that upon induction of ribosome collisions, interactions between ZAK and the ribosomal protein RACK1 enable its activation by dimerization of its SAM domains at the collision interface. Furthermore, we discover how this process is negatively regulated by the ribosome-binding protein SERBP1 to prevent constitutive ZAK activation. Characterization of novel SAM variants as well as a known pathogenic variant of the SAM domain of ZAK supports a key role of the SAM domain in regulating kinase activity on and off the ribosome, with some mutants bypassing the ribosome requirement for ZAK activation. Collectively, our data provide a mechanistic blueprint of the kinase activity of ZAK at the collided ribosome interface.

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Primary Citation of related structures
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