5KBQ Chain A
Serine/threonine-protein kinase PAK 1 (PAK1)
Active — 99.9%DFG-inαC-inType1 · IPV
Resolution
2.58 Å
R-value
0.178
Predicted activity confidence99.9%
Structure info
Alternate conformation—
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-out
Sequence info
PDB sequence
LEKLRSIVSVGDPKKKYTRFEKIGQGASGTVYTAMDVATGQEVAIKQMNLQQQPKKELIINEILVMRENKNPNIVNYLDSYLVGDELWVVMEYLAGGSLTDVVTETCMDEGQIAAVCRECLQALEFLHSNQVIHRNIKSDNILLGMDGSVKLTDFGFCAQITPEQSKRSEMVGTPYWMAPEVVTRKAYGPKVDIWSLGIMAIEMIEGEPPYLNENPLRALYLIATNGTPELQNPEKLSAIFRDFLNRCLDMDVEKRGSAKELLQHQFLKIAKPLSSLTPLIAAAKEATK
UniProt reference sequence
YTRFEKIGQGASGTVYTAMDVATGQEVAIKQMNLQQQPKKELIINEILVMRENKNPNIVNYLDSYLVGDELWVVMEYLAGGSLTDVVTETCMDEGQIAAVCRECLQALEFLHSNQVIHRDIKSDNILLGMDGSVKLTDFGFCAQITPEQSKRSTMVGTPYWMAPEVVTRKAYGPKVDIWSLGIMAIEMIEGEPPYLNENPLRALYLIATNGTPELQNPEKLSAIFRDFLNRCLEMDVEKRGSAKELLQHQFL
Aligned reference sequence
YTRF----------------EKIGQGA----------------SGTVYTAMD--VA------------------------------------TGQEVAIKQMN--LQQQPK----------------------------KELIINEILVMREN--------------------------KNPNIVNYLDSYLVGD--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ELWVVMEYLAG--------------GSLTDVVTE--T--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CMDEGQIAAVCRECLQALEFLHSN---------------------------------------------QVIHRDI-----KSDNILLGM--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DGSVKLTDFGFCAQITPEQSK--R---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------STMVGTPYWMAPEVVTR--------------------------------KAYG-PKVDIWSLGIMAIEMIEG-----------------EPPYLN--------------------------------------------------ENPLRALYLIATN--GTPELQNPEKLS---------------------------------------------------------------------------------------------------AIFRDFLNRCLEMDVEKRGS--------------AKELLQHQFL
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
YTRF----------------EKIGQGA----------------SGTVYTAMD--VA------------------------------------TGQEVAIKQMN--LQQQPK----------------------------KELIINEILVMREN--------------------------KNPNIVNYLDSYLVGD--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ELWVVMEYLAG--------------GSLTDVVTE--T--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CMDEGQIAAVCRECLQALEFLHSN---------------------------------------------QVIHRNI-----KSDNILLGM--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DGSVKLTDFGFCAQITPEQSK--R---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SEMVGTPYWMAPEVVTR--------------------------------KAYG-PKVDIWSLGIMAIEMIEG-----------------EPPYLN--------------------------------------------------ENPLRALYLIATN--GTPELQNPEKLS---------------------------------------------------------------------------------------------------AIFRDFLNRCLDMDVEKRGS--------------AKELLQHQFL
Activation segment
DFGFCAQITPEQSK--R---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SEMVGTPYWMAPE
Binding pocket
EKIGQGASGTVYTVAIKQMLIINEILVMRENKPNIVNYLDSWVVMEYLAGGSLTDVVTEFLHSNQVIHRNIKSDNILLLTDFGFC
Ligand info
Orthosteric ligand
IPV
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 5KBQ, Chain A