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5AXI

Crystal structure of Cbl-b TKB domain in complex with Cblin

Functional Information from GO Data
ChainGOidnamespacecontents
A0001784molecular_functionphosphotyrosine residue binding
A0004842molecular_functionubiquitin-protein transferase activity
A0005509molecular_functioncalcium ion binding
A0007166biological_processcell surface receptor signaling pathway
A0023051biological_processregulation of signaling
B0001784molecular_functionphosphotyrosine residue binding
B0004842molecular_functionubiquitin-protein transferase activity
B0005509molecular_functioncalcium ion binding
B0007166biological_processcell surface receptor signaling pathway
B0023051biological_processregulation of signaling
C0001784molecular_functionphosphotyrosine residue binding
C0004842molecular_functionubiquitin-protein transferase activity
C0005509molecular_functioncalcium ion binding
C0007166biological_processcell surface receptor signaling pathway
C0023051biological_processregulation of signaling
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue CA A 401
ChainResidue
AASP221
ATHR223
AASN225
ATYR227
AGLU232

site_idAC2
Number of Residues2
Detailsbinding site for residue CL A 402
ChainResidue
AARG183
BARG183

site_idAC3
Number of Residues3
Detailsbinding site for residue CL A 403
ChainResidue
ATRP243
ALYS175
APRO242

site_idAC4
Number of Residues4
Detailsbinding site for residue CL A 404
ChainResidue
ALYS189
ATHR190
AILE191
AHOH564

site_idAC5
Number of Residues5
Detailsbinding site for residue CA B 401
ChainResidue
BASP221
BTHR223
BASN225
BTYR227
BGLU232

site_idAC6
Number of Residues3
Detailsbinding site for residue CL B 402
ChainResidue
BLYS175
BPRO242
BTRP243

site_idAC7
Number of Residues5
Detailsbinding site for residue CA C 401
ChainResidue
CASP221
CTHR223
CASN225
CTYR227
CGLU232

site_idAC8
Number of Residues10
Detailsbinding site for Di-peptide GLY E 2 and PTR E 3
ChainResidue
BTYR266
BARG286
BSER288
BCYS289
BTHR290
BGLN308
EASP1
EMET4
EHOH101
EHOH103

site_idAC9
Number of Residues11
Detailsbinding site for Di-peptide PTR E 3 and MET E 4
ChainResidue
BTYR266
BARG286
BSER288
BCYS289
BTHR290
BGLN308
BTHR309
EGLY2
EPRO5
EHOH101
EHOH103

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues216
DetailsRegion: {"description":"EF-hand-like"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues15
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P22681","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsModified residue: {"description":"Phosphoserine; by PKC/PRKCQ","evidences":[{"source":"UniProtKB","id":"Q13191","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

247947

PDB entries from 2026-01-21

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