6dzi: Difference between revisions

<table><tr><td colspan='2'>[[6dzi]] is a 56 chain structure with sequence from [http://en.wikipedia.org/wiki/Mycs2 Mycs2], [http://en.wikipedia.org/wiki/Mycobacterium_smegmatis Mycobacterium smegmatis] and [http://en.wikipedia.org/wiki/Mycobacterium_smegmatis_str._mc2_155 Mycobacterium smegmatis str. mc2 155]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6DZI OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6DZI FirstGlance]. <br>

</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6dzi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6dzi OCA], [http://pdbe.org/6dzi PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6dzi RCSB], [http://www.ebi.ac.uk/pdbsum/6dzi PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6dzi ProSAT]</span></td></tr>

[[http://www.uniprot.org/uniprot/RL13_MYCS2 RL13_MYCS2]] This protein is one of the early assembly proteins of the 50S ribosomal subunit, although it is not seen to bind rRNA by itself. It is important during the early stages of 50S assembly.[HAMAP-Rule:MF_01366] [[http://www.uniprot.org/uniprot/RL11_MYCS2 RL11_MYCS2]] Forms part of the ribosomal stalk which helps the ribosome interact with GTP-bound translation factors.[HAMAP-Rule:MF_00736] [[http://www.uniprot.org/uniprot/A0QTK6_MYCS2 A0QTK6_MYCS2]] Required for dimerization of active 70S ribosomes into 100S ribosomes in stationary phase; 100S ribosomes are translationally inactive and sometimes present during exponential growth.[HAMAP-Rule:MF_00839] [[http://www.uniprot.org/uniprot/RS7_MYCS2 RS7_MYCS2]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the head domain of the 30S subunit. Is located at the subunit interface close to the decoding center, probably blocks exit of the E-site tRNA. [[http://www.uniprot.org/uniprot/RL3_MYCS2 RL3_MYCS2]] One of the primary rRNA binding proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit. [[http://www.uniprot.org/uniprot/RS19_MYCS2 RS19_MYCS2]] Protein S19 forms a complex with S13 that binds strongly to the 16S ribosomal RNA.[HAMAP-Rule:MF_00531] [[http://www.uniprot.org/uniprot/RS20_MYCS2 RS20_MYCS2]] Binds directly to 16S ribosomal RNA. [[http://www.uniprot.org/uniprot/RL9_MYCS2 RL9_MYCS2]] Binds to the 23S rRNA. [[http://www.uniprot.org/uniprot/RS17_MYCS2 RS17_MYCS2]] One of the primary rRNA binding proteins, it binds specifically to the 5'-end of 16S ribosomal RNA. [[http://www.uniprot.org/uniprot/RL24_MYCS2 RL24_MYCS2]] One of two assembly initiator proteins, it binds directly to the 5'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.  One of the proteins that surrounds the polypeptide exit tunnel on the outside of the subunit. [[http://www.uniprot.org/uniprot/RL4_MYCS2 RL4_MYCS2]] One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome.[HAMAP-Rule:MF_01328]  Forms part of the polypeptide exit tunnel.[HAMAP-Rule:MF_01328] [[http://www.uniprot.org/uniprot/RL2_MYCS2 RL2_MYCS2]] One of the primary rRNA binding proteins. Required for association of the 30S and 50S subunits to form the 70S ribosome, for tRNA binding and peptide bond formation. It has been suggested to have peptidyltransferase activity; this is somewhat controversial. Makes several contacts with the 16S rRNA in the 70S ribosome. [[http://www.uniprot.org/uniprot/RL5_MYCS2 RL5_MYCS2]] This is 1 of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance. In the 70S ribosome it contacts protein S13 of the 30S subunit (bridge B1b), connecting the 2 subunits; this bridge is implicated in subunit movement. Contacts the P site tRNA; the 5S rRNA and some of its associated proteins might help stabilize positioning of ribosome-bound tRNAs.[HAMAP-Rule:MF_01333] [[http://www.uniprot.org/uniprot/RL20_MYCS2 RL20_MYCS2]] Binds directly to 23S ribosomal RNA and is necessary for the in vitro assembly process of the 50S ribosomal subunit. It is not involved in the protein synthesizing functions of that subunit. [[http://www.uniprot.org/uniprot/RS15_MYCS2 RS15_MYCS2]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it helps nucleate assembly of the platform of the 30S subunit by binding and bridging several RNA helices of the 16S rRNA.[HAMAP-Rule:MF_01343]  Forms an intersubunit bridge (bridge B4) with the 23S rRNA of the 50S subunit in the ribosome.[HAMAP-Rule:MF_01343] [[http://www.uniprot.org/uniprot/RS181_MYCS2 RS181_MYCS2]] Binds as a heterodimer with protein S6 to the central domain of the 16S rRNA, where it helps stabilize the platform of the 30S subunit.[HAMAP-Rule:MF_00270] [[http://www.uniprot.org/uniprot/RS10_MYCS2 RS10_MYCS2]] Involved in the binding of tRNA to the ribosomes. [[http://www.uniprot.org/uniprot/RL10_MYCS2 RL10_MYCS2]] Forms part of the ribosomal stalk, playing a central role in the interaction of the ribosome with GTP-bound translation factors. [[http://www.uniprot.org/uniprot/I7G436_MYCS2 I7G436_MYCS2]] Binds to the 23S rRNA.[HAMAP-Rule:MF_01341][SAAS:SAAS00687840] [[http://www.uniprot.org/uniprot/RS11_MYCS2 RS11_MYCS2]] Located on the platform of the 30S subunit, it bridges several disparate RNA helices of the 16S rRNA. Forms part of the Shine-Dalgarno cleft in the 70S ribosome. [[http://www.uniprot.org/uniprot/RL22_MYCS2 RL22_MYCS2]] This protein binds specifically to 23S rRNA; its binding is stimulated by other ribosomal proteins, e.g. L4, L17, and L20. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome (By similarity).[HAMAP-Rule:MF_01331]  The globular domain of the protein is located near the polypeptide exit tunnel on the outside of the subunit, while an extended beta-hairpin is found that lines the wall of the exit tunnel in the center of the 70S ribosome.[HAMAP-Rule:MF_01331] [[http://www.uniprot.org/uniprot/RS14_MYCS2 RS14_MYCS2]] Binds 16S rRNA, required for the assembly of 30S particles and may also be responsible for determining the conformation of the 16S rRNA at the A site.[HAMAP-Rule:MF_00537] [[http://www.uniprot.org/uniprot/RS13_MYCS2 RS13_MYCS2]] Located at the top of the head of the 30S subunit, it contacts several helices of the 16S rRNA. In the 70S ribosome it contacts the 23S rRNA (bridge B1a) and protein L5 of the 50S subunit (bridge B1b), connecting the 2 subunits; these bridges are implicated in subunit movement. Contacts the tRNAs in the A and P-sites. [[http://www.uniprot.org/uniprot/RL6_MYCS2 RL6_MYCS2]] This protein binds to the 23S rRNA, and is important in its secondary structure. It is located near the subunit interface in the base of the L7/L12 stalk, and near the tRNA binding site of the peptidyltransferase center. [[http://www.uniprot.org/uniprot/A0A0D6J3X3_MYCSM A0A0D6J3X3_MYCSM]] Binds together with S18 to 16S ribosomal RNA.[HAMAP-Rule:MF_00360][SAAS:SAAS00348112] [[http://www.uniprot.org/uniprot/RL19_MYCS2 RL19_MYCS2]] This protein is located at the 30S-50S ribosomal subunit interface and may play a role in the structure and function of the aminoacyl-tRNA binding site. [[http://www.uniprot.org/uniprot/RS3_MYCS2 RS3_MYCS2]] Binds the lower part of the 30S subunit head. Binds mRNA in the 70S ribosome, positioning it for translation. [[http://www.uniprot.org/uniprot/RL16_MYCS2 RL16_MYCS2]] Binds 23S rRNA and is also seen to make contacts with the A and possibly P site tRNAs. [[http://www.uniprot.org/uniprot/RL21_MYCS2 RL21_MYCS2]] This protein binds to 23S rRNA in the presence of protein L20.[HAMAP-Rule:MF_01363] [[http://www.uniprot.org/uniprot/RS12_MYCS2 RS12_MYCS2]] With S4 and S5 plays an important role in translational accuracy.  Interacts with and stabilizes bases of the 16S rRNA that are involved in tRNA selection in the A site and with the mRNA backbone. Located at the interface of the 30S and 50S subunits, it traverses the body of the 30S subunit contacting proteins on the other side and probably holding the rRNA structure together. The combined cluster of proteins S8, S12 and S17 appears to hold together the shoulder and platform of the 30S subunit (By similarity). [[http://www.uniprot.org/uniprot/RS8_MYCS2 RS8_MYCS2]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA central domain where it helps coordinate assembly of the platform of the 30S subunit.[HAMAP-Rule:MF_01302] [[http://www.uniprot.org/uniprot/I7FGD9_MYCS2 I7FGD9_MYCS2]] This is one of the proteins that binds and probably mediates the attachment of the 5S RNA into the large ribosomal subunit, where it forms part of the central protuberance.[HAMAP-Rule:MF_01337] [[http://www.uniprot.org/uniprot/RS4_MYCS2 RS4_MYCS2]] One of the primary rRNA binding proteins, it binds directly to 16S rRNA where it nucleates assembly of the body of the 30S subunit.  With S5 and S12 plays an important role in translational accuracy. [[http://www.uniprot.org/uniprot/RL14_MYCS2 RL14_MYCS2]] Binds to 23S rRNA. Forms part of two intersubunit bridges in the 70S ribosome. [[http://www.uniprot.org/uniprot/A0R3D2_MYCS2 A0R3D2_MYCS2]] This is one of the proteins that binds to the 5S RNA in the ribosome where it forms part of the central protuberance.[HAMAP-Rule:MF_01334][SAAS:SAAS00720025] [[http://www.uniprot.org/uniprot/RL23_MYCS2 RL23_MYCS2]] One of the early assembly proteins it binds 23S rRNA. One of the proteins that surrounds the polypeptide exit tunnel on the outside of the ribosome. Forms the main docking site for trigger factor binding to the ribosome.[HAMAP-Rule:MF_01369] [[http://www.uniprot.org/uniprot/RS5_MYCS2 RS5_MYCS2]] With S4 and S12 plays an important role in translational accuracy.[HAMAP-Rule:MF_01307]  Located at the back of the 30S subunit body where it stabilizes the conformation of the head with respect to the body.[HAMAP-Rule:MF_01307]

 

 

[[Category: Mycobacterium smegmatis]]

[[Category: Mycobacterium smegmatis str. mc2 155]]

[[Category: Mycs2]]

[[Category: Agrawal, R K]]

[[Category: Derbyshire, K M]]

[[Category: Gray, A G]]

[[Category: Kaushal, P S]]

[[Category: Korripella, R]]

[[Category: Li, Y]]

[[Category: Lin, Q]]

[[Category: Ojha, A]]

[[Category: Sharma, M R]]

[[Category: Wade, J T]]

[[Category: Yang, Y]]

[[Category: Ribosome]]