4CTB Chain A
ALK tyrosine kinase receptor (ALK)
Inactive — 1.0%DFG-inαC-inType1 · KVC
Resolution
1.79 Å
R-value
0.21
Predicted activity confidence1.0%
Structure info
Alternate conformation—
Missing atoms0
Missing residues3
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
NPNYCFAGKTSSISDLKEVPRKNITLIRGLGFGEVYEGQVPLQVAVKTLPEVCSEQDELDFLMEALIISKFNHQNIVRCIGVSLQSLPRFILLELMAGGDLKSFLRETRPRPSQPSSLAMLDLLHVARDIACGCQYLEENHFIHRDIAARNCLLTCPGPGRVAKIGDFGMARDIYRGGCAMLPVKWMPPEAFMEGIFTSKTDTWSFGVLLWEIFSLGYMPYPSKSNQEVLEFVTSGGRMDPPKNCPGPVYRIMTQCWQHQPEDRPNFAIILERIEYCTQDPDVINTALPIEYG
UniProt reference sequence
ITLIRGLGHGAFGEVYEGQVSGMPNDPSPLQVAVKTLPEVCSEQDELDFLMEALIISKFNHQNIVRCIGVSLQSLPRFILLELMAGGDLKSFLRETRPRPSQPSSLAMLDLLHVARDIACGCQYLEENHFIHRDIAARNCLLTCPGPGRVAKIGDFGMARDIYRASYYRKGGCAMLPVKWMPPEAFMEGIFTSKTDTWSFGVLLWEIFSLGYMPYPSKSNQEVLEFVTSGGRMDPPKNCPGPVYRIMTQCWQHQPEDRPNFAIILERIEY
Aligned reference sequence
ITLI----------------RGLGHGA----------------FGEVYEGQV--SGMPNDP-------------------------------SPLQVAVKTLP--EVCSEQD---------------------------ELDFLMEALIISKF--------------------------NHQNIVRCIGVSLQSL--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PRFILLELMAG--------------GDLKSFLRE--TRPRPSQPS------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SLAMLDLLHVARDIACGCQYLEEN---------------------------------------------HFIHRDI-----AARNCLLTC--PGP---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GRVAKIGDFGMARDIYRASYY--RKG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GCAMLPVKWMPPEAFME--------------------------------GIFT-SKTDTWSFGVLLWEIFSL--G--------------YMPYPS--------------------------------------------------KSNQEVLEFVTSG--GRMDPPKNCP-----------------------------------------------------------------------------------------------------GPVYRIMTQCWQHQPEDRPN--------------FAIILERIEY
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
ITLI----------------RGLG-------------------FGEVYEGQV-----------------------------------------PLQVAVKTLP--EVCSEQD---------------------------ELDFLMEALIISKF--------------------------NHQNIVRCIGVSLQSL--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PRFILLELMAG--------------GDLKSFLRE--TRPRPSQPS------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SLAMLDLLHVARDIACGCQYLEEN---------------------------------------------HFIHRDI-----AARNCLLTC--PGP---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GRVAKIGDFGMARDIYR--------G-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GCAMLPVKWMPPEAFME--------------------------------GIFT-SKTDTWSFGVLLWEIFSL--G--------------YMPYPS--------------------------------------------------KSNQEVLEFVTSG--GRMDPPKNCP-----------------------------------------------------------------------------------------------------GPVYRIMTQCWQHQPEDRPN--------------FAIILERIEY
Activation segment
DFGMARDIYR--------G-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GCAMLPVKWMPPE
Binding pocket
RGLG___FGEVYEVAVKTLDFLMEALIISKFNQNIVRCIGVFILLELMAGGDLKSFLREYLEENHFIHRDIAARNCLLIGDFGMA
Ligand info
Orthosteric ligand
KVC
Allosteric ligand
None
Ligand typeType1
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityinactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4CTB, Chain A