Structure of PDB 8k2c Chain ST Binding Site BS01

Receptor Information

>8k2c Chain ST (length=143) Species: 9606 (Homo sapiens)

PGVTVKDVNQQEFVRALAAFLKKSGKLKVPEWVDTVKLAKHKELAPYDEN
WFYTRAASTARHLYLRGGAGVGSMTKIYGGRQRNGVMPSHFSRGSKSVAR
RVLQALEGLKMVEKDQDGGRKLTPQGQRDLDRIAGQVAAANKK

Ligand information

>8k2c Chain S2 (length=1740)

uaccugguugauccugccaguagcauaugcuugucucaaagauuaagcca
ugcaugucuaaguacgcacggccgguacagugaaacugcgaauggcucau
uaaaucaguuaugguuccuuuggucgcucgcuccucucccacuuggauaa
cugugguaauucuagagcuaauacaugccgacgggcgcugacccccuucg
cgggggggaugcgugcauuuaucaguggugacucuagauaaccucgggcc
gaucgcacgccccccguggcggcgacgacccauucgaacgucugcccuau
caacuuucgaugguagucgccgugccuaccauggugaccacgggugacgg
ggaaucaggguucgauuccggagagggagccugagaaacggcuaccacau
ccaaggaaggcagcaggcgcgcaaauuacccacucccgacccggggaggu
agugacgaaaaauaacaauacaggacucuuucgaggcccuguaauuggaa
ugaguccacuuuaaauccuuccgcgaggauccauuggagggcaagucugg
ugccagcagccgcgguaauuccagcuccaauagcguauauuaaaguugcu
gcaguuaaaaagcucguaguuggaucuugggagcgggcguccccgcccuc
ucggccggggcccgaagcauuuacuuugaaaaaauuagaguguucaaagc
aggcccgagccgccuggauaccgcagcuaggaauaauggaauaggaccgc
gguucuauuuuguugguuuucggaacugaggccaugauuaagagggacgg
ccgggggcauucguauugcgccgcuagaggugaaauucuuggaccggcgc
aagacggaccagagcgaaagcauuugccaagaauguuuucauuaaucaag
aacgaaagucggagguucgaagacgaucagauaccgucguaguuccgacc
auaaacgaugccgacuggcgaugcggcggcguuauucccaugacccgccg
ggcagcuuccgggaaaccaaagucuuuggguuccggggggaguaugguug
caaagcugaaacuuaaaggaauugacggaagggcaccaccaggaguggag
ccugcggcuuaauuugacucaacacgggaaaccucacccggcccggacac
ggacaggauugacagauugauagcucuuucucgauuccgugggugguggu
gcauggccguucuuaguugguggagcgauuugucugguuaauuccgauaa
cgaacgagacucuggcaugcuaacuaguuacgcgacccccgagcggucgg
cgucccccaacuucuuagagggacaaguggcguucagccacccgagauug
agcaauaacaggucugugaugcccuuagauguccggggcugcacgcgcgc
uacacugacuggcucagcgugugccuacccuacgccggcaggcgcgggua
acccguugaaccccauucgugauggggaucggggauugcaauuauucccc
augaacgaggaauucccaguaagugcgggucauaagcuugcguugauuaa
gucccugcccuuuguacacaccgcccgucgcuacuaccgauuggaugguu
uagugaggcccucggaucggccccgccggggucggcccacggcccuggcg
gagcgcugagaagacggucgaacuugacuaucuagaggaaguaaaagucg
uaacaagguuuccguaggugaaccugcggaaggaucauua

...<<<<<.[.((((>>>>><<<.<<<<<<...<.<<..<......<<<.
<<<..<<....<<....<<..........>>...>>.>>......<<...
.....<<<.<....<<....<<<<<..................<<.....
<<.<<<.....>>>.>>......>>.........<<<<...<<<<<....
.>.>>>>...>>>><<..<<<<<...<......>..>>>>>......>>.
..<<<<.<<<<......>>>>>>>>.>>.>>>...>>..>.>>>.<<<..
..<<<....<<<<<<<.........>>>>>>>>>>......>>>...<<<
.<<<<....>>>>....>>>.>>.<<.<<<..........>>>.>>.<.<
<....>>.>...>>>>>>.........<<<....<<<<...>>>>..>>>
..>...>>.>.....<<<<<<<<<.<<<....>>>..>>>>>.>>>>...
...<<..<...........>..>>.........<<<<<((......<<<<
.....<<..))>>.......>>>>.>>>>>..>>>>>>.>>>........
.<.<((.....<.<<...<<<.<<.......................<<.
<.............>>>...<<<<<<.<.......<<...<.......>.
<<<<.......>>>>...>>......>.>>>..>>>........<.<<.<
<<<<<<...............>>>>>>>.>>.>....>>....<<<<<<.
.<...<<<<..<<..<<<<<<<<...<<<......>>>......>>>>>>
>>..>>.......<<....>>...>>>>..>..>>>.>>>...>>>...>
>.>....<<<<<<<...<...<<<<.<.....>.>>>>...>>>>>>>>.
.........<<<.<<.<<<..<.<<<<<<.<<<<......>>>>>>>>>>
.>..>>>...<<..))>>...>>.....>>>.>.>.<<<......<<<<.
...>>>>....>>>..)))).]<<<<<.<<<<<<<..<<..<<<<<..<<
<.<<<<<<......<<........>>..........<<<<<.<....<<<
<<<.......<<.<<<........>>>.>>.....>>>>>>...<<.<<<
..<<.<<<<<<....<<<.<<<<<....>>>...<<<......>>>...>
>.>>>....<<<...<...<<<<..<<<<<<<<<<<<.......>>>>.>
>>>.....>>>>..>>>>..>.....<<<<<.....>>>>>........>
>>....>>>.>>>.....>>>>>>>.....>.>>>>>...>>.>>>>.>>
>.....<<.<<<........<.......<<<.<<<<....>>>>.>>>..
..>.........>>>.>>......<.....<<<<<..........>>>>>
.....>.....>>>>>.....<<<<<<<<.......>>>>>>>>......
>>...>>>>>>>>>>.>>....<..<<.<..<<<<.<<....<<<<<<<<
.<<<..<<<<.<<...<<<<<...<<<...................>>>.
....>>>>>...>>.>>>>..>>>.>>>>>>>>...>>.>>>>...>.>>
...>.....<<<<<<<<<<..>>>>>>>>>>.........

Receptor-Ligand Complex Structure

Structure summary

• PDB: 8k2c Structural basis for differential inhibition of eukaryotic ribosomes by tigecycline.
• Resolution: 2.4 Å
• Binding residue (original residue number in PDB): P2 G3 K7 Q11 Q12 K38 L39 K41 K43 E44 P47 R56 S59 R62 R67 G68 G71 V72 G73 S74 K77 I78 R82 R84 G86 V87 M88 P89 S90 H91 F92 S96 K97 S98 R101 Q105 G119 G120 R121 P125 Q128 R129 D132
• Binding residue (residue number reindexed from 1): P1 G2 K6 Q10 Q11 K37 L38 K40 K42 E43 P46 R55 S58 R61 R66 G67 G70 V71 G72 S73 K76 I77 R81 R83 G85 V86 M87 P88 S89 H90 F91 S95 K96 S97 R100 Q104 G118 G119 R120 P124 Q127 R128 D131

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0003735 structural constituent of ribosome
• GO:0005515 protein binding
• GO:0017134 fibroblast growth factor binding
• GO:0019901 protein kinase binding
• GO:0042802 identical protein binding

Biological Process

• GO:0000028 ribosomal small subunit assembly
• GO:0000462 maturation of SSU-rRNA from tricistronic rRNA transcript (SSU-rRNA, 5.8S rRNA, LSU-rRNA)
• GO:0002181 cytoplasmic translation
• GO:0002548 monocyte chemotaxis
• GO:0006364 rRNA processing
• GO:0006412 translation
• GO:0007000 nucleolus organization
• GO:0030218 erythrocyte differentiation
• GO:0030490 maturation of SSU-rRNA
• GO:0031640 killing of cells of another organism
• GO:0042274 ribosomal small subunit biogenesis
• GO:0050829 defense response to Gram-negative bacterium
• GO:0060265 positive regulation of respiratory burst involved in inflammatory response
• GO:0060266 negative regulation of respiratory burst involved in inflammatory response
• GO:0061844 antimicrobial humoral immune response mediated by antimicrobial peptide

Cellular Component

• GO:0005634 nucleus
• GO:0005654 nucleoplasm
• GO:0005730 nucleolus
• GO:0005737 cytoplasm
• GO:0005829 cytosol
• GO:0005840 ribosome
• GO:0005925 focal adhesion
• GO:0014069 postsynaptic density
• GO:0016020 membrane
• GO:0022626 cytosolic ribosome
• GO:0022627 cytosolic small ribosomal subunit
• GO:0032040 small-subunit processome
• GO:0070062 extracellular exosome
• GO:1990904 ribonucleoprotein complex

External links

• PDB: RCSB:8k2c, PDBe:8k2c, PDBj:8k2c
• PDBsum: 8k2c
• PubMed: 38942792
• UniProt: P39019|RS19_HUMAN Small ribosomal subunit protein eS19 (Gene Name=RPS19)