Browse / JAK1 /  4IVC — Chain B
4IVC Chain B
Tyrosine-protein kinase JAK1 (JAK1)
Active94.8%DFG-inαC-inType1 · 1J6
Resolution
2.35 Å
R-value
0.2
Predicted activity confidence94.8%

Kinase info

KinaseJAK1
Kinase groupTYR
SpeciesHuman
UniProt IDP23458

Structure info

Alternate conformation
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-in

Sequence info

PDB sequence
VDPTHFEKRFLKRIRDLGEGHFGKVELCRYDPEGDNTGEQVAVKSLKPNHIADLKKEIEILRNLYHENIVKYKGICTNGIKLIMEFLPSGSLKEYLPKNKNKINLKQQLKYAVQICKGMDYLGSRQYVHRDLAARNVLVESEHQVKIGDFGLTKAIETDKETVKDDRDSPVFWYAPECLMQSKFYIASDVWSFGVTLHELLTYCDSDSSPMALFLKMIGPTHGQMTVTRLVNTLKEGKRLPCPPNCPDEVYQLMRKCWEFQPSNRTSFQNLIEGFEALLK
UniProt reference sequence
LVQGEHLGRGTRTHIYSGTLMDYKDDEGTSEEKKIKVILKVLDPSHRDISLAFFEAASMMRQVSHKHIVYLYGVCVRDVENIMVEEFVEGGPLDLFMHRKSDVLTTPWKFKVAKQLASALSYLEDKDLVHGNVCTKNLLLAREGIDSECGPFIKLSDPGIPITVLSRQECIERIPWIAPECVEDSKNLSVAADKWSFGTTLWEICYNGEIPLKDKTLIEKERFYESRCRPVTPSCKELADLMTRCMNYDPNQRPFFRAIMRDINK
Aligned reference sequence
LVQG----------------EHLGRGT----------------RTHIYSGTL--MDYKDDEGTSEE--------------------------KKIKVILKVLD--PSHRDI----------------------------SLAFFEAASMMRQV--------------------------SHKHIVYLYGVCVRDV--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ENIMVEEFVEG--------------GPLDLFMHR--KSD------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------VLTTPWKFKVAKQLASALSYLEDK---------------------------------------------DLVHGNV-----CTKNLLLAR--EGIDSEC-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GPFIKLSDPGIPITVLSR---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QECIERIPWIAPECVED--S-----------------------------KNLS-VAADKWSFGTTLWEICYN--G--------------EIPLKD--------------------------------------------------KTLIEKERFYESR--CRPVTPSC-------------------------------------------------------------------------------------------------------KELADLMTRCMNYDPNQRPF--------------FRAIMRDINK
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
LKRI----------------RDLGEG-------------------HFGKVEL--CRY-DPEGTGE------------------------------QVAVKSLK--PNHIAD----------------------------LKKEIE---ILRNL--------------------------YHENIVKYKGICTNGI--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KLIM--EFLPS--------------GSLKEYLPK--NKN------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KINLKQQLKYAVQICKGMDYLGSR---------------------------------------------QYVH------------RDLAA--RNVLVES-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EHQVKIGDFGLTKAIETD---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KERDSPVFWYAPECLMQ--S-----------------------------K-FY-IASDVWSFGVTLHEYCDS--D--------------SSPLKV--------------------------------------------------NTLKEGKR--------LPCPPNC-------------------------------------------------------------------------------------------------------PEVYQLMRKCWEFQPSNRTS--------------FIEGFEALLK
Activation segment
DFGLTKAIETD---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KERDSPVFWYAPE
Binding pocket
RDLGEGHFGKVELVAVKSLDLKKEIEILRNLYENIVKYKGIKLIMEFLPSGSLKEYLPKYLGSRQYVHRDLAARNVLVIGDFGLT

Ligand info

Orthosteric ligand
1J6
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 4IVC, Chain B
4IVC Chain B — JAK1 · KinaDB