5MRB Chain A
Dual specificity protein kinase TTK (TTK)
Active — 72.7%DFG-inαC-inType1 · C5N
Resolution
2.2 Å
R-value
0.175
Predicted activity confidence72.7%
Structure info
Alternate conformation—
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-out
Sequence info
PDB sequence
YFQSMSVKGRIYSILKQIGSGGSSKVFQVLNEKKQIYAIKYVNLEEADNQTLDSYRNEIAYLNKLQQHSDKIIRLYDYEITDQYIYMVMEYGNIDLNSWLKKKKSIDPWERKSYWKNMLEAVHTIHQHGIVHSDLKPANFLIVDGMLKLIDFGIANQMQPDTTSQVGTVNYMPPEAIKDISPKSDVWSLGCILYYMTYGKTPFQQIINQISKLHAIIDPNHEIEFPDIPEKDLQDVLKCCLKRDPKQRISIPELLAHPYVQIQT
UniProt reference sequence
YSILKQIGSGGSSKVFQVLNEKKQIYAIKYVNLEEADNQTLDSYRNEIAYLNKLQQHSDKIIRLYDYEITDQYIYMVMECGNIDLNSWLKKKKSIDPWERKSYWKNMLEAVHTIHQHGIVHSDLKPANFLIVDGMLKLIDFGIANQMQPDTTSVVKDSQVGTVNYMPPEAIKDMSSSRENGKSKSKISPKSDVWSLGCILYYMTYGKTPFQQIINQISKLHAIIDPNHEIEFPDIPEKDLQDVLKCCLKRDPKQRISIPELLAHPYV
Aligned reference sequence
YSIL----------------KQIGSGG----------------SSKVFQVLN--E-------------------------------------KKQIYAIKYVN--LEEADNQT--------------------------LDSYRNEIAYLNKL--QQ----------------------HSDKIIRLYDYEITDQ--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------YIYMVMECGN---------------IDLNSWLKK--KK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SIDPWERKSYWKNMLEAVHTIHQH---------------------------------------------GIVHSDL-----KPANFLIV---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DGMLKLIDFGIANQMQPDTTS--VVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DSQVGTVNYMPPEAIKD--MSSSRENGKSK-------------------SKIS-PKSDVWSLGCILYYMTYG-----------------KTPFQQ--I-----------------------------------------------INQISKLHAIIDP--NHEIEFPDIPE----------------------------------------------------------------------------------------------------KDLQDVLKCCLKRDPKQRIS--------------IPELLAHPYV
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
YSIL----------------KQIGSGG----------------SSKVFQVLN--E-------------------------------------KKQIYAIKYVN--LEEADNQT--------------------------LDSYRNEIAYLNKL--QQ----------------------HSDKIIRLYDYEITDQ--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------YIYMVMEYGN---------------IDLNSWLKK--KK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SIDPWERKSYWKNMLEAVHTIHQH---------------------------------------------GIVHSDL-----KPANFLIV---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DGMLKLIDFGIANQMQPDTT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SQVGTVNYMPPEAIKD----------------------------------IS-PKSDVWSLGCILYYMTYG-----------------KTPFQQ--I-----------------------------------------------INQISKLHAIIDP--NHEIEFPDIPE----------------------------------------------------------------------------------------------------KDLQDVLKCCLKRDPKQRIS--------------IPELLAHPYV
Activation segment
DFGIANQMQPDTT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SQVGTVNYMPPE
Binding pocket
KQIGSGGSSKVFQYAIKYVSYRNEIAYLNKLQDKIIRLYDYYMVMEYGN_IDLNSWLKKTIHQHGIVHSDLKPANFLILIDFGIA
Ligand info
Orthosteric ligand
C5N
Allosteric ligand
None
Ligand typeType1
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 5MRB, Chain A