AICD	Activation-induced Cell death
APC	Antigen-presenting cell
B-ALL	B-cell Acute Lymphoblastic Leukemia
BCR	B-cell receptor
BTLA	B- and T-lymphocyte attenuator
CAR	Chimeric antigen receptor
CRS	Cytokine release syndrome
Csk	C-terminal Src kinase
CTLA-4	Cytotoxic T-lymphocyte-associated protein 4
Cryo-EM	Cryogenic electron microscopy
DAP EC	DNAX-activating protein Extracellular
ERK EGFR GADS	Extracellular signal-regulated kinase Epidermal growth factor receptor GRB2-related adaptor protein 2
Grb2	Growth factor receptor-bound protein 2
HVEM	Herpes virus entry mediator
ICOS	Inducible T-cell costimulatory
IgSF	Immunoglobulin superfamily
IS	Immune Synapse
ITAM	Immunoreceptor tyrosine-based activation motif
Itk	Interleukin-2-inducible T-cell kinase
JAK	Janus kinase
KIR	Killer Ig-like receptor
KIR2DS2 Lck	Killer Ig-like receptor two Ig domains and short cytoplasmic tail 2 Lymphocyte-specific protein tyrosine kinase
MHC	Major histocompatibility complex
NK NKG2D	Natural killer Natural killer group 2 member D
pMHC	Peptide-bound major histocompatibility complex
PDB LFA-1	Protein Data Bank Lymphocyte function-associated antigen 1
NMR	Nuclear Magnetic Resonance
Nck	Non-catalytic region of tyrosine kinase adaptor protein 1
PD-1 PI3K	Programmed death receptor 1 Phosphoinositide 3-kinase
PKC	Protein kinase C
scFv	Single-chain variable fragment
SH2 SHP-1	Src-homology 2 Src homology 2 domain-containing protein tyrosine phosphatase 1
STAT	Signal Transducer and Activator of Transcription protein
TCR	T cell receptor
THEMIS TM	Thymocyte-expressed-molecule Transmembrane
TNF	Tumor necrosis factor
TNFR TNFRSF TRAF	Tumor necrosis factor receptor Tumor necrosis factor receptor Superfamily TNF receptor associated factor
ZAP-70	Zeta-associated protein 70