3JD5 | pdb_00003jd5

Cryo-EM structure of the small subunit of the mammalian mitochondrial ribosome


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
K [auth N]SCOP2 FamilyRibosomal protein S14p/S29e 8047588 4003647 SCOP2 (2022-06-29)
K [auth N]SCOP2 SuperfamilyGlucocorticoid receptor-like (DNA-binding domain) 8052594 3000068 SCOP2 (2022-06-29)
P [auth U]SCOP2 FamilyRibosomal protein S21 8048658 4006173 SCOP2 (2022-06-29)
P [auth U]SCOP2 SuperfamilyRibosomal protein S21 8053091 3002159 SCOP2 (2022-06-29)
X [auth h]SCOP2 FamilyMitochondrial 28S ribosomal protein S31-like 8051224 4007256 SCOP2 (2022-06-29)
X [auth h]SCOP2 SuperfamilyMitochondrial 28S ribosomal protein S31-like 8090913 3002471 SCOP2 (2022-06-29)
I [auth K]SCOP2 FamilyRibosomal protein L18p and S11 8098945 4000555 SCOP2 (2022-06-29)
I [auth K]SCOP2 SuperfamilyTranslational machinery components 8098946 3000571 SCOP2 (2022-06-29)
Z [auth j]SCOP2 FamilyMitochondrial 28S ribosomal protein S34-like 8044793 4004136 SCOP2 (2022-06-29)
Z [auth j]SCOP2 SuperfamilyTranslation proteins SH3-like KOW motif containing domain 8091482 3000334 SCOP2 (2022-06-29)
BSCOP2 FamilyRibosomal protein S2-like 8063845 4003744 SCOP2 (2022-06-29)
BSCOP2 SuperfamilySIS domain/Ribosomal protein S2-like 8063846 3001397 SCOP2 (2022-06-29)
Q [auth a]SCOP2 FamilyMRP-S22-like 8051736 4007491 SCOP2 (2022-06-29)
Q [auth a]SCOP2 SuperfamilyMitochondrial 28S ribosomal protein S22-like 8051931 3002074 SCOP2 (2022-06-29)
J [auth L]SCOP2B SuperfamilyNucleic acid-binding proteins 8095271 3000135 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
K [auth N]Ribosomal_S14_1e3jd5N1 A: few secondary structure elementsX: Glucocorticoid receptor-likeH: LIM domain-likeT: LIM domain-likeF: Ribosomal_S14_1ECOD (1.6)
P [auth U]Ribosomal_S21_2e3jd5U1 A: extended segmentsX: 30S ribosomal protein S21 (From Topology)H: 30S ribosomal protein S21 (From Topology)T: 30S ribosomal protein S21F: Ribosomal_S21_2ECOD (1.6)
R [auth b]MRP-S23e3jd5b1 A: alpha arraysX: RuvA-CH: Mitoribosomal protein mS23 (From Topology)T: Mitoribosomal protein mS23F: MRP-S23ECOD (1.6)
S [auth c]L51_S25_CI-B8e3jd5c1 A: a+b three layersX: Thioredoxin-likeH: Thioredoxin-like (From Topology)T: Thioredoxin-likeF: L51_S25_CI-B8ECOD (1.6)
U [auth e]MRP-S27e3jd5e1 A: alpha superhelicesX: Repetitive alpha hairpinsH: ARM repeat (From Topology)T: ARM repeatF: MRP-S27ECOD (1.6)
W [auth g]DAP3_Ce3jd5g1 A: alpha arraysX: Histone-likeH: Histone-relatedT: AAA+ ATPase lid domainF: DAP3_CECOD (1.6)
W [auth g]DAP3_Ne3jd5g2 A: a/b three-layered sandwichesX: P-loop domains-likeH: P-loop domains-relatedT: P-loop containing nucleoside triphosphate hydrolasesF: DAP3_NECOD (1.6)
X [auth h]MRP-S31e3jd5h1 A: extended segmentsX: Mitoribosomal protein mS31 (From Topology)H: Mitoribosomal protein mS31 (From Topology)T: Mitoribosomal protein mS31F: MRP-S31ECOD (1.6)
I [auth K]Ribosomal_S11e3jd5K1 A: mixed a+b and a/bX: Ribonuclease H-likeH: Ribonuclease H-like (From Topology)T: Ribonuclease H-likeF: Ribosomal_S11ECOD (1.6)
H [auth J]Ribosomal_S10_2e3jd5J1 A: a+b two layersX: Alpha-beta plaitsH: Ribosomal protein S10 (From Topology)T: Ribosomal protein S10F: Ribosomal_S10_2ECOD (1.6)
G [auth I]Ribosomal_S9e3jd5I1 A: a+b two layersX: Ribosomal protein S5 domain 2-like (From Topology)H: Ribosomal protein S5 domain 2-like (From Topology)T: Ribosomal protein S5 domain 2-likeF: Ribosomal_S9ECOD (1.6)
F [auth G]Ribosomal_S7e3jd5G1 A: alpha arraysX: Ribosomal protein S7 (From Topology)H: Ribosomal protein S7 (From Topology)T: Ribosomal protein S7F: Ribosomal_S7ECOD (1.6)
E [auth F]Ribosomal_S6_1e3jd5F1 A: a+b two layersX: Alpha-beta plaitsH: Ribosomal protein S6 (From Topology)T: Ribosomal protein S6F: Ribosomal_S6_1ECOD (1.6)
D [auth E]Ribosomal_S5_Ce3jd5E1 A: a+b two layersX: Ribosomal protein S5 domain 2-like (From Topology)H: Ribosomal protein S5 domain 2-like (From Topology)T: Ribosomal protein S5 domain 2-likeF: Ribosomal_S5_CECOD (1.6)
D [auth E]Ribosomal_S5_1e3jd5E2 A: a+b two layersX: dsRBD-likeH: dsRNA-binding domain-like (From Topology)T: dsRNA-binding domain-likeF: Ribosomal_S5_1ECOD (1.6)
D [auth E]KOG2646e3jd5E3 A: extended segmentsX: N-terminal region in 40S ribosomal protein rpS2 (S5p) (From Topology)H: N-terminal region in 40S ribosomal protein rpS2 (S5p) (From Topology)T: N-terminal region in 40S ribosomal protein rpS2 (S5p)F: KOG2646ECOD (1.6)
EA [auth p]Ribosomal_S18e3jd5p1 A: alpha arraysX: HTHH: HTHT: tri-helicalF: Ribosomal_S18ECOD (1.6)
CMRP-S24e3jd5C1 A: a+b two layersX: Alpha-lytic protease prodomain-likeH: KH-domainsT: Prokaryotic type KH domain (KH-domain type II)F: MRP-S24ECOD (1.6)
CA [auth n]DUF1713e3jd5n1 A: extended segmentsX: Mitoribosomal protein mS38 (From Topology)H: Mitoribosomal protein mS38 (From Topology)T: Mitoribosomal protein mS38F: DUF1713ECOD (1.6)
BA [auth m]KOG4695e3jd5m1 A: few secondary structure elementsX: p8-MTCP1-related (From Topology)H: p8-MTCP1-related (From Topology)T: p8-MTCP1-relatedF: KOG4695ECOD (1.6)
AA [auth k]UNK_F_TYPEe3jd5k1 A: a+b two layersX: dsRBD-likeH: Peptidyl-tRNA hydrolase domain-like (From Topology)T: Peptidyl-tRNA hydrolase domain-likeF: UNK_F_TYPEECOD (1.6)
Z [auth j]MRP-S34e3jd5j1 A: beta barrelsX: SH3H: Mitoribosomal protein mS34 (From Topology)T: Mitoribosomal protein mS34F: MRP-S34ECOD (1.6)
Y [auth i]MRP-S33e3jd5i1 A: extended segmentsX: Mitoribosomal protein mS33 (From Topology)H: Mitoribosomal protein mS33 (From Topology)T: Mitoribosomal protein mS33F: MRP-S33ECOD (1.6)
V [auth f]MRP-S35e3jd5f1 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: MRP-S35ECOD (1.6)
T [auth d]MRP-S26e3jd5d1 A: extended segmentsX: Mitoribosomal protein mS26 (From Topology)H: Mitoribosomal protein mS26 (From Topology)T: Mitoribosomal protein mS26F: MRP-S26ECOD (1.6)
BRibosomal_S2_1e3jd5B1 A: a/b three-layered sandwichesX: Flavodoxin-likeH: Ribosomal protein S2/SIS domain (From Topology)T: Ribosomal protein S2/SIS domainF: Ribosomal_S2_1ECOD (1.6)
Q [auth a]MRP-S22e3jd5a1 A: a+b complex topologyX: Mitoribosomal protein mS22 (From Topology)H: Mitoribosomal protein mS22 (From Topology)T: Mitoribosomal protein mS22F: MRP-S22ECOD (1.6)
O [auth R]Ribosomal_S18e3jd5R1 A: alpha arraysX: HTHH: HTHT: tri-helicalF: Ribosomal_S18ECOD (1.6)
N [auth Q]Ribosomal_S17_1e3jd5Q1 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: Ribosomal_S17_1ECOD (1.6)
M [auth P]Ribosomal_S16e3jd5P1 A: a+b two layersX: Ribosomal protein S16 (From Topology)H: Ribosomal protein S16 (From Topology)T: Ribosomal protein S16F: Ribosomal_S16ECOD (1.6)
L [auth O]Ribosomal_S15_1e3jd5O1 A: alpha arraysX: S15/NS1 RNA-binding domain (From Topology)H: S15/NS1 RNA-binding domain (From Topology)T: S15/NS1 RNA-binding domainF: Ribosomal_S15_1ECOD (1.6)
J [auth L]Ribosom_S12_S23e3jd5L1 A: beta barrelsX: OB-foldH: Nucleic acid-binding proteins (From Topology)T: Nucleic acid-binding proteinsF: Ribosom_S12_S23ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
K [auth N]PF00253Ribosomal protein S14p/S29e (Ribosomal_S14)Ribosomal protein S14p/S29e- Family
P [auth U]PF01165Ribosomal protein S21 (Ribosomal_S21)Ribosomal protein S21- Family
I [auth K]PF10213Mitochondrial ribosomal subunit protein (MRP-S28)Mitochondrial ribosomal subunit protein- Family
I [auth K]PF00411Ribosomal protein S11 (Ribosomal_S11)Ribosomal protein S11- Family
H [auth J]PF00338Ribosomal protein S10p/S20e (Ribosomal_S10)Ribosomal protein S10p/S20eThis family includes small ribosomal subunit S10 from prokaryotes and S20 from eukaryotes. Domain
H [auth J]PF16053Mitochondrial 28S ribosomal protein S34 (MRP-S34)Mitochondrial 28S ribosomal protein S34- Family
G [auth I]PF00380Ribosomal protein S9/S16 (Ribosomal_S9)Ribosomal protein S9/S16- Family
G [auth I]PF08293Mitochondrial ribosomal subunit S27 (MRP-S33)Mitochondrial ribosomal subunit S27- Family
F [auth G]PF00177Ribosomal protein S7p/S5e (Ribosomal_S7)Ribosomal protein S7p/S5eThis family contains ribosomal protein S7 from prokaryotes and S5 from eukaryotes. Domain
F [auth G]PF10236Mitochondrial ribosomal death-associated protein 3 (DAP3)Mitochondrial ribosomal death-associated protein 3- Family
E [auth F]PF01250Ribosomal protein S6 (Ribosomal_S6)Ribosomal protein S6Domain
D [auth E]PF21251Small ribosomal subunit protein uS5m, N-terminal (Ribosomal_uS5m_N)Small ribosomal subunit protein uS5m, N-terminalThis entry represents an extension found at the N-terminal of the mitochondrial 28S Small ribosomal subunit protein uS5m [1,2]. This region lines a part of the mRNA entry path and connects the 28S subunit body to the head forming a latch across the m ...This entry represents an extension found at the N-terminal of the mitochondrial 28S Small ribosomal subunit protein uS5m [1,2]. This region lines a part of the mRNA entry path and connects the 28S subunit body to the head forming a latch across the mRNA channel entrance [2].
Domain
D [auth E]PF03719Ribosomal protein S5, C-terminal domain (Ribosomal_S5_C)Ribosomal protein S5, C-terminal domainDomain
D [auth E]PF00333Ribosomal protein S5, N-terminal domain (Ribosomal_S5)Ribosomal protein S5, N-terminal domainDomain
PF14955Mitochondrial ribosome subunit S24 (MRP-S24)Mitochondrial ribosome subunit S24- Family
PF05047Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain (L51_S25_CI-B8)Mitochondrial ribosomal protein L51 / S25 / CI-B8 domainThe proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all member ...The proteins in this family are located in the mitochondrion. The family includes ribosomal protein L51, and S25. This family also includes mitochondrial NADH-ubiquinone oxidoreductase B8 subunit (CI-B8) EC:1.6.5.3. It is not known whether all members of this family form part of the NADH-ubiquinone oxidoreductase and whether they are also all ribosomal proteins. Structurally related to thioredoxin-fold.
Domain
PF00318Ribosomal protein S2 (Ribosomal_S2)Ribosomal protein S2- Family
PF10484Mitochondrial ribosomal protein S23 (MRP-S23)Mitochondrial ribosomal protein S23- Family
O [auth R]PF01084Ribosomal protein S18 (Ribosomal_S18)Ribosomal protein S18- Family
N [auth Q]PF00366Ribosomal protein S17 (Ribosomal_S17)Ribosomal protein S17Domain
M [auth P]PF00886Ribosomal protein S16 (Ribosomal_S16)Ribosomal protein S16- Family
M [auth P]PF01084Ribosomal protein S18 (Ribosomal_S18)Ribosomal protein S18- Family
L [auth O]PF13812Pentatricopeptide repeat domain (PPR_3)Pentatricopeptide repeat domain- Repeat
L [auth O]PF22330Small ribosomal subunit protein mS39, PPR (Rib_mS39_PPR)Small ribosomal subunit protein mS39, PPR- Repeat
L [auth O]PF00312Ribosomal protein S15 (Ribosomal_S15)Ribosomal protein S15Domain
J [auth L]PF00164Ribosomal protein S12/S23 (Ribosom_S12_S23)Ribosomal protein S12/S23This protein is known as S12 in bacteria and archaea and S23 in eukaryotes. Domain
PF10245Mitochondrial 28S ribosomal protein S22 (MRP-S22)Mitochondrial 28S ribosomal protein S22- Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
K [auth N]28S ribosomal protein S14, mitochondrial
P [auth U]28S ribosomal protein S21, mitochondrial
R [auth b]28S ribosomal protein S23, mitochondrial
S [auth c]28S ribosomal protein S25, mitochondrial
U [auth e]28S ribosomal protein S27, mitochondrial
W [auth g]28S ribosomal protein S29, mitochondrial
X [auth h]28S ribosomal protein S31, mitochondrial -
DA [auth o]Pentatricopeptide repeat domain-containing protein 3, mitochondrial
I [auth K]28S ribosomal protein S11, mitochondrial
H [auth J]28S ribosomal protein S10, mitochondrial- -
G [auth I]28S ribosomal protein S9, mitochondrial
F [auth G]28S ribosomal protein S7, mitochondrial
E [auth F]28S ribosomal protein S6, mitochondrial
D [auth E]28S ribosomal protein S5, mitochondrial
FA [auth s],
GA [auth z]
unknown---
EA [auth p]28S ribosomal protein S18b, mitochondrial
28S ribosomal protein S24, mitochondrial
CA [auth n]Aurora kinase A interacting protein 1 -
BA [auth m]Coiled-coil-helix-coiled-coil-helix domain containing 1-
AA [auth k]28S ribosomal protein S35, mitochondrial
Z [auth j]28S ribosomal protein S34, mitochondrial
Y [auth i]28S ribosomal protein S33, mitochondrial- -
V [auth f]28S ribosomal protein S28, mitochondrial-
T [auth d]28S ribosomal protein S26, mitochondrial
28S ribosomal protein S2, mitochondrial
Q [auth a]28S ribosomal protein S22, mitochondrial
O [auth R]28S ribosomal protein S18c, mitochondrial
N [auth Q]28S ribosomal protein S17, mitochondrial
M [auth P]28S ribosomal protein S16, mitochondrial
L [auth O]28S ribosomal protein S15, mitochondrial
J [auth L]28S ribosomal protein S12, mitochondrial
28S ribosomal RNA, mitochondial---

InterPro: Protein Family Classification InterPro Database Homepage

ChainsAccessionNameType
K [auth N]IPR001209Small ribosomal subunit protein uS14Family
P [auth U]IPR038380Small ribosomal subunit protein bS21 superfamilyHomologous Superfamily
P [auth U]IPR001911Small ribosomal subunit protein bS21Family
R [auth b]IPR023611Small ribosomal subunit protein mS23, conserved domainDomain
R [auth b]IPR019520Small ribosomal subunit protein mS23, metazoaFamily
S [auth c]IPR007741Ribosomal protein/NADH dehydrogenase domainDomain
S [auth c]IPR036249Thioredoxin-like superfamilyHomologous Superfamily
S [auth c]IPR040049Ribosomal subunit protein mS25/mL61, mitochondrialFamily
U [auth e]IPR019266Small ribosomal subunit protein mS27Family
U [auth e]IPR011990Tetratricopeptide-like helical domain superfamilyHomologous Superfamily
U [auth e]IPR034913mS27/PTCD2Family
U [auth e]IPR002885Pentatricopeptide repeatRepeat
W [auth g]IPR008092Small ribosomal subunit protein mS29, metazoan-typeFamily
W [auth g]IPR019368Small ribosomal subunit protein mS29Family
W [auth g]IPR027417P-loop containing nucleoside triphosphate hydrolaseHomologous Superfamily
X [auth h]IPR026299Mitochondrial 28S ribosomal protein S31Family
DA [auth o]IPR037387Pentatricopeptide repeat domain-containing protein 3Family
DA [auth o]IPR011990Tetratricopeptide-like helical domain superfamilyHomologous Superfamily
DA [auth o]IPR055063Small ribosomal subunit protein mS39, PPRRepeat
DA [auth o]IPR002885Pentatricopeptide repeatRepeat
I [auth K]IPR001971Small ribosomal subunit protein uS11Family
I [auth K]IPR036967Small ribosomal subunit protein uS11 superfamilyHomologous Superfamily
I [auth K]IPR018102Small ribosomal subunit protein uS11, conserved siteConserved Site
H [auth J]IPR027486Small ribosomal subunit protein uS10 domainDomain
H [auth J]IPR040055Small ribosomal subunit protein uS10mFamily
H [auth J]IPR036838Small ribosomal subunit protein uS10 domain superfamilyHomologous Superfamily
G [auth I]IPR020574Small ribosomal subunit protein uS9, conserved siteConserved Site
G [auth I]IPR023035Small ribosomal subunit protein uS9, bacterial/plastidFamily
G [auth I]IPR020568Ribosomal protein uS5 domain 2-type superfamilyHomologous Superfamily
G [auth I]IPR000754Small ribosomal subunit protein uS9Family
G [auth I]IPR014721Small ribosomal subunit protein uS5 domain 2-type fold, subgroupHomologous Superfamily
F [auth G]IPR000235Small ribosomal subunit protein uS7Family
F [auth G]IPR036823Small ribosomal subunit protein uS7 domain superfamilyHomologous Superfamily
F [auth G]IPR023798Small ribosomal subunit protein uS7 domainDomain
E [auth F]IPR000529Small ribosomal subunit protein bS6Family
E [auth F]IPR035980Small ribosomal subunit protein bS6 superfamilyHomologous Superfamily
E [auth F]IPR014717Translation elongation factor EF1B/small ribosomal subunit protein bS6Homologous Superfamily
D [auth E]IPR000851Small ribosomal subunit protein uS5Family
D [auth E]IPR048584Small ribosomal subunit protein uS5m, N-terminal domainDomain
D [auth E]IPR005324Small ribosomal subunit protein uS5, C-terminalDomain
D [auth E]IPR013810Small ribosomal subunit protein uS5, N-terminalDomain
D [auth E]IPR020568Ribosomal protein uS5 domain 2-type superfamilyHomologous Superfamily
D [auth E]IPR018192Small ribosomal subunit protein uS5, N-terminal, conserved siteConserved Site
D [auth E]IPR014721Small ribosomal subunit protein uS5 domain 2-type fold, subgroupHomologous Superfamily
EA [auth p]IPR040054Small ribosomal subunit protein mS40Family
EA [auth p]IPR001648Small ribosomal subunit protein bS18Family
EA [auth p]IPR036870Small ribosomal subunit protein bS18 superfamilyHomologous Superfamily
IPR026146Small ribosomal subunit protein uS3m, metazoanFamily
CA [auth n]IPR013177Ribosomal protein mS38, C-terminalDomain
BA [auth m]IPR010625CHCHDomain
BA [auth m]IPR009069Cysteine alpha-hairpin motif superfamilyHomologous Superfamily
BA [auth m]IPR033620Small ribosomal subunit protein mS37, metazoanFamily
AA [auth k]IPR039848Small ribosomal subunit protein mS35, mitochondrialFamily
AA [auth k]IPR019349Small ribosomal subunit protein mS35, mitochondrial, conserved domainDomain
Z [auth j]IPR032053Small ribosomal subunit protein mS34Family
Y [auth i]IPR013219Small ribosomal subunit protein mS33Family
V [auth f]IPR019375Small ribosomal subunit protein bS1mFamily
T [auth d]IPR026140Small ribosomal subunit protein mS26Family
IPR005706Small ribosomal subunit protein uS2, bacteria/mitochondria/plastidFamily
IPR023591Small ribosomal subunit protein uS2, flavodoxin-like domain superfamilyHomologous Superfamily
IPR018130Small ribosomal subunit protein uS2, conserved siteConserved Site
IPR001865Small ribosomal subunit protein uS2Family
Q [auth a]IPR019374Small ribosomal subunit protein mS22Family
O [auth R]IPR001648Small ribosomal subunit protein bS18Family
O [auth R]IPR018275Small ribosomal subunit protein bS18, conserved siteConserved Site
O [auth R]IPR036870Small ribosomal subunit protein bS18 superfamilyHomologous Superfamily
N [auth Q]IPR039193Small ribosomal subunit protein uS17m, metazoaFamily
N [auth Q]IPR012340Nucleic acid-binding, OB-foldHomologous Superfamily
N [auth Q]IPR000266Small ribosomal subunit protein uS17Family
M [auth P]IPR023803Small ribosomal subunit protein bS16 domain superfamilyHomologous Superfamily
M [auth P]IPR000307Small ribosomal subunit protein bS16Family
L [auth O]IPR005290Small ribosomal subunit protein uS15, bacterial-typeFamily
L [auth O]IPR009068uS15/NS1, RNA-binding domain superfamilyHomologous Superfamily
L [auth O]IPR052137Universal small ribosomal subunit uS15Family
L [auth O]IPR000589Small ribosomal subunit protein uS15Family
J [auth L]IPR006032Small ribosomal subunit protein uS12Family
J [auth L]IPR012340Nucleic acid-binding, OB-foldHomologous Superfamily
J [auth L]IPR005679Ribosomal protein uS12, bacterial-typeFamily