_EC 3.1.26.5 Ribonuclease P. 26 PDB entries  
EC 3.-.-.- Hydrolases. [21,317 PDB entries]
EC 3.1.-.- Acting on ester bonds. [6,034 PDB entries]
EC 3.1.26.- Endoribonucleases producing 5'-phosphomonoesters. [1,221 PDB entries]
EC 3.1.26.5 Ribonuclease P. [26 PDB entries]    
1a6f

Reaction: Endonucleolytic cleavage of Rna, removing 5'-extranucleotides from tRNA precursor.
Comments: Essential for tRNA processing; generates 5'-termini of mature tRNA molecules.
Links:   [IntEnz]   [ExPASy]   [KEGG]  

There are 26 PDB entries in enzyme class E.C.3.1.26.5

  PDB code Protein
1a6f
Rnase p protein from bacillus subtilis
Source: Bacillus subtilis. Organism_taxid: 1423. Cell_line: bl21. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (113 residues) CATH domain: 3.30.230.10
1d6t
Rnase p protein from staphylococcus aureus
Source: Staphylococcus aureus. Organism_taxid: 1280. Expressed in: escherichia coli bl21. Expression_system_taxid: 511693.
Chain: A (117 residues) CATH domain: 3.30.230.10
1nz0
Rnase p protein from thermotoga maritima
Source: Thermotoga maritima. Organism_taxid: 2336. Gene: rnpa or tm1463. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, C, B, D (109 residues) CATH domain: 3.30.230.10
1oqk
Structure of mth11: a homologue of human rnase p protein rpp29
Source: Methanothermobacter thermautotrophicus. Organism_taxid: 145262. Gene: mth11. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (78 residues) CATH domain: 2.30.30.210
1pc0
Nmr structure of the archaeal homologue of rnase p protein rpp29
Source: Archaeoglobus fulgidus. Organism_taxid: 2234. Gene: af1917. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (61 residues) CATH domain: Unassigned
1ts9
Crystal structure of the archaeal homolog of human rnase p protein rpp29 from archaeoglobus fulgidus
Source: Archaeoglobus fulgidus. Organism_taxid: 2234. Gene: rnp1, af1917. Expressed in: escherichia coli bl21(de3). Expression_system_taxid: 469008. Fusion.
Chain: A (98 residues) CATH domain: 2.30.30.210
1tsf
Crystal structure of the archaeal homolog of human rnase p protein rpp29 from archaeoglobus fulgidus
Source: Archaeoglobus fulgidus. Organism_taxid: 2234. Gene: rnp1, af1917. Expressed in: escherichia coli bl21(de3). Expression_system_taxid: 469008. Fusion.
Chain: A (81 residues) CATH domain: 2.30.30.210
1v76
Crystal structure of archaeal ribonuclease p protein ph1771p from pyrococcus horikoshii ot3
Source: Pyrococcus horikoshii. Organism_taxid: 53953. Gene: ph1771. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chains: A, B (92 residues) CATH domain: 2.30.30.210
1v77
Crystal structure of the ph1877 protein
Source: Pyrococcus horikoshii. Organism_taxid: 53953. Gene: ph1877. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (202 residues) CATH domain: 3.20.20.140
1x0t
Crystal structure of ribonuclease p protein ph1601p from pyr horikoshii ot3
Source: Pyrococcus horikoshii. Organism_taxid: 70601. Strain: ot3. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (106 residues) CATH domains: Unassigned Unassigned
2av5
Crystal structure of pyrococcus furiosus pop5, an archaeal ribonuclease p protein
Source: Pyrococcus furiosus. Organism_taxid: 2261. Gene: rnp2. Expressed in: escherichia coli bl21(de3). Expression_system_taxid: 469008.
Chains: A, B, C, D, E (106 residues) CATH domain: Unassigned
2czv
Crystal structure of archeal rnase p protein ph1481p in complex with ph1877p
Source: Pyrococcus horikoshii. Organism_taxid: 53953. Gene: ph1877. Expressed in: escherichia coli. Expression_system_taxid: 562. Gene: ph1481.
Chains: A, B, C, D (208 residues) CATH domain: 3.20.20.140
2k3r
Pfu rpp21 structure and assignments
Source: Pyrococcus furiosus. Organism_taxid: 2261. Gene: rnp4, pf1613. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (91 residues) CATH domains: Unassigned Unassigned
2ki7
The solution structure of rpp29-rpp21 complex from pyrococcus furiosus
Source: Pyrococcus furiosus dsm 3638. Organism_taxid: 186497. Strain: dsm3638 / jcm 8422 / vc1. Atcc: 43587. Gene: rnp1, pf1816. Expressed in: escherichia coli. Expression_system_taxid: 562. Gene: rnp4, pf1613.
Chains: A, B (111 residues) CATH domain: 2.30.30.210
2ljp
Backbone 1h, 13c, and 15n chemical shift assignments for E.C ribonuclease p protein
Source: Escherichia coli. Organism_taxid: 83333. Strain: k12. Gene: rnpa, b3704, jw3681. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (119 residues) CATH domain: 3.30.230.10
2zae
Crystal structure of protein ph1601p in complex with protein of archaeal ribonuclease p from pyrococcus horikoshii ot3
Source: Pyrococcus horikoshii. Organism_taxid: 53953. Strain: ot3. Gene: rnp1. Expressed in: escherichia coli. Expression_system_taxid: 562. Gene: rnp4.
Chains: A, B, C, D (105 residues) CATH domain: 2.30.30.210
3iab
Crystal structure of rnase p /rnase mrp proteins pop6, pop7 in a complex with the p3 domain of rnase mrp RNA
Source: Saccharomyces cerevisiae. Yeast. Organism_taxid: 4932. Gene: pop6, ygr030c. Expressed in: escherichia coli. Expression_system_taxid: 562. Gene: pop7, rpp2, ybr1219, ybr167c. Synthetic: yes. Other_details: in vitro transcription. Circular permutation
Chains: A, B (148 residues) CATH domain: Unassigned
3ok7
Crystal structure of a bacterial rnase p holoenzyme in compl tRNA
Source: Synthetic: yes. Other_details: the RNA was prepared by in vitro transcripti thermotoga maritima. Organism_taxid: 2336. Gene: rnpa, rnpa or tm1463, tm_1463, rnpb. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (112 residues) CATH domain: 3.30.230.10
3okb
Crystal structure of a bacterial rnase p holoenzyme in compl tRNA and in the presence of 5' leader
Source: Synthetic: yes. Other_details: the RNA was prepared by in vitro transcripti thermotoga maritima. Organism_taxid: 2336. Gene: rnpa, rnpa or tm1463, tm_1463, rnpb. Expressed in: escherichia coli. Expression_system_taxid: 562. Synthetic: yes
Chain: A (112 residues)
3q1q
Structure of a bacterial ribonuclease p holoenzyme in comple tRNA
Source: Synthetic: yes. Other_details: the RNA was prepared by in vitro transcripti thermotoga maritima. Organism_taxid: 2336. Gene: rnpa, rnpa or tm1463, rnpb, tm_1463. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (112 residues) CATH domain: 3.30.230.10
3q1r
Crystal structure of a bacterial rnase p holoenzyme in compl tRNA and in the presence of 5' leader
Source: Synthetic: yes. Other_details: the RNA was prepared by in vitro transcripti thermotoga maritima. Organism_taxid: 2336. Gene: rnpa, rnpa or tm1463, rnpb, tm_1463. Expressed in: escherichia coli. Expression_system_taxid: 562. Synthetic: yes
Chain: A (112 residues)
4g23
Crystal structure of proteinaceous rnase p 1 (prorp1) from a with mn
Source: Arabidopsis thaliana. Mouse-ear cress,thale-cress. Organism_taxid: 3702. Gene: at2g32230, f22d22.2. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (476 residues) CATH domains: Unassigned Unassigned
4g24
Crystal structure of proteinaceous rnase p 1 (prorp1) from a with mn
Source: Arabidopsis thaliana. Mouse-ear cress,thale-cress. Organism_taxid: 3702. Gene: at2g32230, f22d22.2. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (476 residues) CATH domains: Unassigned Unassigned
4g25
Crystal structure of proteinaceous rnase p 1 (prorp1) from a thaliana, semet substituted form with sr
Source: Arabidopsis thaliana. Mouse-ear cress,thale-cress. Organism_taxid: 3702. Gene: at2g32230, f22d22.2. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (476 residues) CATH domains: Unassigned Unassigned
4g26
Crystal structure of proteinaceous rnase p 1 (prorp1) from a with ca
Source: Arabidopsis thaliana. Mouse-ear cress,thale-cress. Organism_taxid: 3702. Gene: at2g32230, f22d22.2. Expressed in: escherichia coli. Expression_system_taxid: 562.
Chain: A (476 residues) CATH domains: Unassigned Unassigned
4jg4
Ligand concentration regulates the pathways of coupled prote and binding
Source: Bacillus subtilis. Organism_taxid: 1423. Gene: rnpa, bssc8_00790. Expressed in: escherichia coli. Expression_system_taxid: 562
Chain: A (114 residues) CATH domain: 3.30.230.10