Structure of PDB 7mqa Chain SK Binding Site BS01

Receptor Information

>7mqa Chain SK (length=204) Species: 9606 (Homo sapiens)

RRLIVVLEGASLETVKVGKTYELLNCDKHKSILLKNGRDPGEARPDITHQ
SLLMLMDSPLNRAGLLQVYIHTQKNVLIEVNPQTRIPRTFDRFCGLMVQL
LHKLSVRAADGPQKLLKVIKNPVSDHFPVGCMKVGTSFSIPVVSDVRELV
PSSDPIVFVVGAFAHGKVSVEYTEKMVSISNYPLSAALTCAKLTTAFEEV
WGVI

Ligand information

>7mqa Chain L1 (length=1636)

accugguugauccugccaguagcauaugcuugucucaaagauuaagccau
gcaugucuaaguacgcacggccgguacagugaaacugcgaauggcucauu
aaaucaguuaugguuccuuuggucgcucgcuccuuacuuggauaacugug
guaauucuagagcuaauacaugccgacgggcgcugacccccggggggaug
cgugcauuuaucagaucaaaaccaacccgccccucgggcgggcgccggcg
gcuuuggugacucuagauaaccucgggccgaucgcacgccccccguggcg
gcgacgacccauucgaacgucugcccuaucaacuuucgaugguagucgcc
gugccuaccauggugaccacgggugacggggaaucaggguucgauuccgg
agagggagccugagaaacggcuaccacauccaaggaaggcagcaggcgcg
caaauuacccacucccgacccggggagguagugacgaaaaauaacaauac
aggacucuuucgaggcccuguaauuggaaugaguccacuuuaaauccuuu
aacgaggauccauuggagggcaagucuggugccagcagccgcgguagcuc
caauagcguauauuaaacugcaguuaaaaagcucguaguuggaucuuggg
agcgggcgggcgguccagccaccgcccguccccgccccuugccucucggc
gccggcccgaagcguuuacuuugaaaaaauuagaguguucaaagcaggcc
ccgccuggauaccgcagcuaggaauaauggggaccgcgguucuaggaacu
gaggccaugauuaagagggacggccgggggcauucguauugcgccgcuag
aggugaaauucuuggaccggcgcaagacggaccagagcgaaagcauuugc
caagaauguuuucauuaaucaagaacgaaagucggagguucgaagacgau
cagauaccgucguaguuccgaccauaaacgaugccgaccggcgaugcggc
ggcguuauucccaugacccgccgggcagcuuccgggaaaccaaagucuuu
ggguuccggggggaguaugguugcaaagcugaaacuuaaaggaauugacg
gaagggcaccaccaggaguggagccugcggcacccggcccggacacggac
aggauugacagauugauagcucuuucucgauuccguggguuggugcaugg
ccguucguugguggagcgauuugguuaauuccgauaacgaacgagacucu
ggcaugcuagagggacaaguggcguucagccacccgagauugagcaauaa
caggucugugaugcccguccggggcacgcgcgcuacacugacuggcucag
cguguguacgccggcaggcgcgaaccccauucgugauggggaucggggau
uauuccccaugaacgaggaauucccaguaagugcgggucauaagcuugcg
uugauuaagucccugcccuuucacaccgcccgucgcuacuaccgauugga
ugguuuagugaggcccucggaucggccccgccggggucggcccacggccc
uggcggagcgcugagaagacggucgaacuugacuaucuagaggaaguaaa
aguuccguaggugaaccugcggaaggaucauuaacg

..<<<<<.......>>>>>.<<.<<<<<<...<.<<.........<<<.<
<<..<<....<<....<<..........>>...>>.>>......<<....
....<<<.<....<<....<<<................<<.....<<.<<
.......>>.>>......>>.........<<<<...<<<<..>>>>...>
>>><<..<<<<<.....<<..<...<<..<<<<<..>>.>>>....>>.>
..>>...........>>>>>......>>...<<<<.<<<<......>>>>
>>>>....>>>...>>..>.>>>.<<<....<<<....<<<<<<<.....
....>>>>>>>>>>......>>>...<<<.<<<<....>>>>....>>>.
>>.<<.<<<..........>>>.>>.<.<<....>>.>...>>>>>>...
......<<<....<<<.....>>>..>>>......>>.>.....<<<<<<
<<<.<<<....>>>.>.>>>>.>>>>......<<..<...........>.
.>>.........<<<<<<.......<<<....>>>............>>>
>>>..>>>>>>.>>......<.<((.....<.<<...<<<.<<<<<.<<<
.<<<<<<<<<<<<<......>>>>>>>>>..>>>>>>>.<<<...<<<<.
<<..>>>>>>.>>>.<<<<<<.<.......<<..<<.......>>.<<<.
..>>>....>>......>.>>>..>>>.>><<.<<.<<<<<<<.>>>>>>
>.>>>>...>>>....<<<<<<..<...<<<<..<<..<<<<<<<<...<
<<......>>>......>>>>>>>>..>>.......<<....>>...>>>
>..>..>>>.>>>...>>>...>>.>....<<<<<<<...<...<<<<..
.......>>>>...>>>>>>>>..........<<<.<<.<<<..<.<<<<
<<.<<<........>>>>>>>>>.>..>>>...<<..))>>...>>....
.>>>.>.>......................................<<<<
<<<<<<<<..<<..<<<<<..<<<.<<<<<<.<<<<<......<<<<<<.
......<<.<<<........>>>.>>.....>>>>>>....<<<.<<<<<
<<<<<.<<<.<<.<<....>>.<<......>>....>>.>>>....<<<.
..<...<..>..>.....<<<<<.....>>>>>........>>>....>>
>.>>.>>>>>..>>>...>>>>>>>.>>>>.>>>.....<<.<<<.....
........<<<<....>>>>......>>>.>>......<.....<<<<<.
<>.>>>>>.....>.....>>>>>.....<<<<<<<.........>>>>>
>>......>>...>>>>>>>.........>>>>>..<<<<.<<..<.<<<
<<<<<.<<<..<<<<.<<...<<<<<.<<<<<<<<<<<<.....>>>>>>
>>>>>>...>>>>>...>>.>>>>..>>>.>>>>>>>>.>.>>.>>>>..
..<<<<<<<<<....>>>>>>>>>............

Receptor-Ligand Complex Structure

Structure summary

• PDB: 7mqa Nucleolar maturation of the human small subunit processome.
• Resolution: 2.7 Å
• Binding residue (original residue number in PDB): K56 Y61 N115 H142 L144 K154 K160
• Binding residue (residue number reindexed from 1): K16 Y21 N75 H102 L104 K114 K120

Enzymatic activity

• Enzyme Commision number: 2.1.1.-

Gene Ontology

Molecular Function

• GO:0003723 RNA binding
• GO:0005515 protein binding
• GO:0008168 methyltransferase activity
• GO:0019843 rRNA binding
• GO:0042802 identical protein binding
• GO:0070037 rRNA (pseudouridine) methyltransferase activity

Biological Process

• GO:0001824 blastocyst development
• GO:0006364 rRNA processing
• GO:0017126 nucleologenesis
• GO:0032259 methylation
• GO:0042254 ribosome biogenesis
• GO:0042274 ribosomal small subunit biogenesis
• GO:0070475 rRNA base methylation

Cellular Component

• GO:0005634 nucleus
• GO:0005654 nucleoplasm
• GO:0005694 chromosome
• GO:0005730 nucleolus
• GO:0005737 cytoplasm
• GO:0032040 small-subunit processome

External links

• PDB: RCSB:7mqa, PDBe:7mqa, PDBj:7mqa
• PDBsum: 7mqa
• PubMed: 34516797
• UniProt: Q92979|NEP1_HUMAN Ribosomal RNA small subunit methyltransferase NEP1 (Gene Name=EMG1)