Table for CD1-CD100       Table for CD101 - CD200       Table for CD201 - CD300       Table for CD301 - CD339  

Name	Expression	MW	Function	Other Names	Family
CD1a	cortical thymocytes, Langerhans cells, DC	49kD	antigen presentation, w/ β2m	T6	IgSF
CD1b	cortical thymocytes, Langerhans cells, DC	45kD	antigen presentation, w/ β2m	T6	IgSF
CD1c	cortical thymocytes, Langerhans cells, DC, B subset	43kD	antigen presentation, w/ β2m	T6	IgSF
CD1d	intestinal epith, B subset, mono, DC	49kD	antigen presentation, w/ β2m		IgSF
CD1e	DC	28kD	antigen presentation, w/ β2m		IgSF
CD2	thymocytes, T, NK	50kD	CD58 ligand, adhesion, T cell activation	T11, LFA-2, SRBC-R	IgSF
CD2R	Tact	50kD	activation-dependent form of CD2	T11-3	IgSF
CD3gd	T, thymocyte subset		w/ TCR, TCR surface expression/signal transduction	T3	IgSF
CD3e	T, thymocyte subset	20kD	w/ TCR, TCR surface expression/signal transduction	T3	IgSF
CD4	thymocyte subset, T subset, mono, mac	55kD	MHC class II coreceptor, HIV receptor, T cell differentiation/activation	T4	IgSF
CD5	thymocytes, T, B subset, B-CLL	67kD	CD72 receptor, TCR or BCR signaling, T-B interaction	T1, Tp67	Scavenger R SF
CD6	thymocytes, T, B subset	100-130kD	CD166 receptor, T cell differentiation/ costimulation	T12	Scavenger R SF
CD7	hematopoietic progenitors, thymocytes, T, NK	40kD	T costimulation		IgSF
CD8a	thymocyte subset, T subset, NK	32-34kD	MHC class I coreceptor, receptor for some mutated HIV-1, T cell differentiation/activation	T8, Leu-2	IgSF
CD8b	thymocyte subset, T subset	30-32kD			IgSF
CD9	pre-B, eosinophils, basophils, platelets, Tact	22-27kD	cellular adhesion and migration	p24, MRP-1	TM4SF
CD10	B precursors, T precursors, neutrophils	100kD	zinc-binding metalloproteinase, B cell development	CALLA, NEP, gp100	type II TM
CD11a	lymph, gran, mono, mac	180kD	CD11a/CD18 receptor for ICAM-1, -2,-3, intercellular adhesion, T costimulation	LFA-1, integrin αL	Integrin family
CD11b	myeloid cells, NK	170kD	binds CD54, ECM, iC3b	Mac-1, integrin αM	Integrin family
CD11c	DC, myeloid cells, NK, B, T subset	150kD	binds CD54, fibrinogen and iC3b	p150, 95, CR4, integrin αX	Integrin family
CDw12	mono, gran, platelets	90-120kD
CD13	myeloid cells	150-170kD	zinc-binding metalloproteinase, antigen processing, receptor for corona virus strains	Aminopeptidase N, APN	type II TM
CD14	mono, mac, Langerhans cells, granlow	53-55kD	receptor for LPS/LBP, LPS recognition	LPS-R	GPI-linked
CD15	neutrophils, eosinophils, mono		adhesion	Lewis-x, Lex	CHO
CD15s	neutrophils, eosinophils, mono, memory helper T, and B, NK, HEV		CD62L and CD62P ligand, adhesion	Sialyl Lewis X	CHO
CD15u	myeloid subset		adhesion	Sulfated Lewis X	CHO
CD16a	neutrophils, mac, NK	50-65kD	component of low affinity Fc receptor, phagocytosis and ADCC	FcγRIIIA	IgSF
CD16b	neutrophils	48kD	component of low affinity Fc receptor, phagocytosis and ADCC	FcγRIIIB	IgSF
CDw17	neutrophils, mono, platelets		lactosyl ceramide
CD18	broad, all leukocytes	95kD	w/ CD11a, b & c, adhesion	Integrin β2	Integrin family
CD19	B, FDC	95kD	complex w/ CD21and CD81, BCR coreceptor, B cell activation/ differentiation	B4	IgSF
CD20	B, T subset	33-37kD	B cell activation	B1, Bp35	TM4SF
CD21	B, FDC, T subset	145,110kD	complement C3d and EBV receptor, complex w/ CD19 and CD81, BCR coreceptor	C3DR, CR2, EBV-R	CCRSF
CD22	B	150kD	adhesion, B-mono, B-T interactions	BL-CAM, Siglec-2	IgSF, sialoadhesins
CD23	B, activated mac, eosinophils, FDC, platelets	45kD	CD19-CD21-CD81 receptor, IgE low affinity receptor, signal transduction	FcεRII	C-type lectin
CD24	thymocytes, erythrocytes, peripheral lymph, myeloid	35-45kD	binds P-selectin	BA-1	GPI-linked
CD25	Tact, Bact, lymph progenitors	55kD	IL-2Rα, w/ IL-2Rβ and γ to form high affinity complex	Tac, p55	type I TM
CD26	thymocyte subset, Tact, soluble form	110kD	dipeptidyl peptidase, T costimulation, HIV entry	DPP IV	type II TM
CD27	medullary thymocytes, T, B subset, NK subset	50-55kD	CD70 receptor, T costimulation	T14	TNFRSF
CD28	most T, thymocytes, plasma cells	44kD	CD80, CD86 receptor, T costimulation	Tp44, T44	IgSF
CD29	lymph, mono, granlow, platelets, mast cells, fibroblasts, endoth	130kD	w/ CD49a (VLA-1) receptor for VCAM-1, MAdCAM-1 and ECM	Integrin β1	Integrin family
CD30	Bact, T and NK , Reed-Sternberg cells, anaplastic large cell lymphoma	105-120kD	CD153 receptor, lymph proliferation/ apoptosis	Ki-1	TNFRSF
CD31	mono, platelets, gran, endoth, lymph subset	130-140kD	CD38 receptor, adhesion	PECAM-1	IgSF
CD32	mono, gran, B, platelets	40kD	low affinity Fc receptor for aggregated Ig and immune complexes	FcγRII	IgSF
CD33	myeloid progenitors, mono, gran, DC, mast cells, Tact	67kD	adhesion	p67, Siglec-3	IgSF, sialoadhesins
CD34	hematopoietic precursors, capillary endoth, embryonic fibroblasts	105-120kD	stem cell marker, adhesion, CD62L receptor		Sialomucin, type I TM
CD35	erythrocytes, B, mono, neutrophils, eosinophils, FDC, T subset	250kD	complement receptor 1, binds C3b and C4b, adhesion, phagocytosis	CR1	CCRSF
CD36	platelets, mono, mac, endoth, early erythrocytes	88kD	ECM receptor, adhesion, phagocytosis	GPIV
CD37	B, Tlow, granlow	40-52kD	signal transduction		TM4SF
CD38	variable levels on majority of hematopoietic cells, high expression on plasma cells, B and Tact	45kD	ecto-ADP-ribosyl cyclase, cell activation	T10
CD39	B cell adhesion, protects activated cells from lysis, ecto-apyrase	78kD			NK, mac, Langerhans cells, DC, Bact
CD40	B, mono, mac, FDC, endoth, T subset	48kD	CD154 receptor, B differentiation/ costimulation, isotype-switching, rescues B cells from apoptosis		TNFRSF
CD41	platelets, megakaryocytes	125/22kD	w/ CD61 forms GPIIb, binds fibrinogen, fibronectin, vWF, thrombospondin, platelet activation and aggregation	gpIIb	Integrin family
CD42a	platelets, megakaryocytes	22kD	complex w/ CD42b, c and d, receptor for vWF and thrombin, platelet adhesion to subendothelial matrices	GPIX	LRRF
CD42b	platelets, megakaryocytes	145kD	complex w/ CD42a, c and d, binds to vWF and thrombin, platelet adhesion/ activation	GPIba	LRRF
CD42c	platelets, megakaryocytes	24kD	complex w/ CD42a, b, d	GPIbb	LRRF
CD42d	platelets, megakaryocytes	82kD	complex w/ CD42a-c	GPV	LRRF
CD43	leukocytes, except resting B, plateletslow	115-135kD	inhibition of T cell interaction, CD54R, adhesion	Leukosialin, sialophorin	Sialomucin, type I TM
CD44	hematopoietic and non-hematopoietic cells, except platelets, hepatocytes, testis	80-95kD	binds hyaluronic acid, adhesion	H-CAM, Pgp-1	hyaladherin family
CD44R	CD44 variants heterogeneous expression, constitutively on epith, mono, upregulated on activated leukocytes		adhesion, metastasis	CD44v
CD45	hematopoietic cells, multiple isoforms from alternative splicing	180-240kD	tyrosine phosphatase, enhanced TCR & BCR signals	LCA, T200, B220
CD45RA	B, T subset(naive), mono	205-220kD	exon A isoforms of CD45
CD45RB	T subset, B, mono, mac, gran	190-220kD	exon B isoforms of CD45
CD45RO	Tact, memory T, B subset, mono, mac, gran	180kD	isoform of CD45 lacking A, B, C exons
CD46	nucleated cells	56/66kD	membrane cofactor protein, binds C3b & C4b allowing degradation by Factor I, measles virus receptor	MCP	CCRSF
CD47	hematopoietic cells, epith, endoth, fibroblasts, other tissues	47-52kD	leukocyte adhesion, migration, activation	IAP	IgSF
CD47R	New designation for CDw149, similar distribution as CD47 but dimmer
CD48	broad, all leukocytes	45kD	cell adhesion	Blast-1	IgSF
CD49a	Tact, mono	210kD	integrin α1, adhesion, CD49a/CD29 binds collagen and laminin	VLA-1	Integrin family
CD49b	B, mono, platelets, Tact, megakaryocytes	165kD	integrin α2, adhesion, CD49b/CD29 binds collagen and laminin	VLA-2	Integrin family
CD49c	B and Tlow, most adhesive cell lines	125kD	integrin α3, adhesion, CD49c/CD29 binds laminin, fibronectin and collagen	VLA-3	Integrin family
CD49d	T, B, NK, thymocytes, mono, eosinophils, mast, DC	150kD	integrin α4, adhesion, CD49d/CD29 binds fibronectin, VCAM-1 & MAdCAM-1	VLA-4	Integrin family
CD49e	thymocytes, T, mono, platelets, early and Bact	135, 25kD	integrin α5, adhesion, CD49e/CD29 binds fibronectin	VLA-5	Integrin family
CD49f	memory T, thymocytes, mono, platelets, megakaryocytes, epith	125kD	integrin α6, adhesion, CD49f/CD29 binds laminin	VLA-6	Integrin family
CD50	hematopoietic, endoth, epidermal Langerhans cells	110-120kD	adhesion, costimulation	ICAM-3	IgSF
CD51	plateletslow, endoth, osteoblasts, melanomas	125, 24kD	integrin αv, adhesion, CD51/CD61 binds vitronectin, vWF, fibrinogen and thrombospondin	Vitronectin receptor	Integrin family
CD52	thymocytes, T, B (not plasma cells), mono, mac	21-28kD		CAMPATH-1
CD53	leukocytes, DC, osteoblasts, osteoclasts	35-42kD	signal transduction		TM4SF
CD54	endoth, mono, lymph (high upon activation)	90-110kD	receptor for CD11a/CD18 (LFA-1), CD11b/CD18 (Mac-1) and rhinovirus	ICAM-1	IgSF
CD55	hematopoietic, endoth	60-70kD	binds C3b, complement regulation	DAF	GPI-linked
CD56	NK, T subset, neurons, some large granular lymphocyte leukemias, myeloid leukemias	175-185kD	adhesion	NCAM	IgSF
CD57	NK subset, T subset	110kD		HNK-1, Leu-7
CD58	hematopoietic, non-hematopoietic cells	55-70kD	CD2 receptor, adhesion	LFA-3	IgSF
CD59	hematopoietic, non-hematopoietic cells	19kD	binds complement C8 and C9, blocks assembly of membrane attack complex	Protectin, MAC- inhibitor	GPI-linked
CD60a	T subset, platelets, thymic epith, astrocytes		costimulation	GD3	CHO
CD60b	T subset, Bact			9-O-sialyl GD3	CHO
CD60c	T subset			7-O-sialyl GD3	CHO
CD61	platelets, megakaryocytes, mac, endoth	105kD	integrin β3, adhesion, CD41/CD61 or CD51/CD61 mediate adhesion to ECM	GPIIIa	Integrin family
CD62E	endoth	97,107-115kD	binds CD15s, cell rolling, metastasis	E-selectin, ELAM-1	Selectin family
CD62L	B, naïve and memory T, mono, gran, NK, thymocytes	74, 95kD	CD34, GlyCAM, and MAdCAM-1 receptor, leukocyte homing, tethering, rolling	L-selectin, LECAM-1	Selectin family
CD62P	activated platelets, endoth	140kD	CD162, CD15s receptor, adhesion, neutrophil rolling, platelet-neutrophil and platelet-mono interactions	P-selectin, PADGEM	Selectin family
CD63	activated platelets, mono, mac	53kD	lysosomal membrane protein, moves to cell surface after activation	LIMP, LAMP-3	TM4SF
CD64	mono, mac, DC, Interferon or G-CSF activated gran	72kD	high affinity receptor for IgG, phagocytosis and ADCC	FcγRI	IgSF
CD65	gran, mono subset, myeloid leukemias
CD65s	gran, mono, myeloid leukemias		phagocytosis	VIM2
CD66a	neutrophils, epith	160-180kD	cell adhesion	BGP-1, NCA-160	IgSF, CEA family
CD66b	gran	95-100kD	cell adhesion, neutrophil activation	CD67, CGM6	IgSF, CEA family
CD66c	neutrophils, colon carcinoma	90kD	cell adhesion	NCA	IgSF, CEA family
CD66d	neutrophils	35kD		CGM1	IgSF, CEA family
CD66e	colon epith, colon cancer	180-200kD	cell adhesion	CEA	IgSF, CEA family
CD66f	pregnancy specific glycoprotein, placental syncytiotrophoblasts, fetal liver	54-72kD	immune regulation, protects fetus from maternal immune system	PSG, Sp-1	IgSF, CEA family
CD68	intracellularly in mono, mac, neutrophils, basophils, large lymph, mast cells, DC, myeloid progenitors, liver	110kD		Macrosialin, gp110	Sialomucin
CD69	Tact, B, NK and gran, thymocytes, platelets, Langerhans cells	28, 32kD	signal transduction	AIM	C-type lectin
CD70	Bact and Tact	50, 70, 90, 160kD	CD27 ligand, T and B cell costimulation	Ki-24	TNFSF
CD71	proliferating cells, reticulocytes, erythroid precursors	95kD	transferrin receptor, iron uptake	T9
CD72	B, FDC	42kD	CD5, CD100 receptor, B proliferation	Lyb-2	C-type lectin
CD73	B subset, T subset, FDC, epith	69kD	ecto-5’-nucleotidase, nucleoside uptake, T costimulation, lymph adhesion		GPI-linked
CD74	B, mac, mono, Langerhans cells, DC, Tact	33, 35, 41, 43kD	MHC class II traffic and function	Ii, invariant chain
CD75	B subset, epith		lactosamines		CHO Sialoglycan family
CD75s	B subset, T subset		α-2,6-sialylated lactosamines (previously CDw75 and CDw76)		CHO Sialoglycan family
CD77	germinal center B, Burkitt’s lymphomashigh, follicular lymphomaslow		apoptosis	Gb3, Pk blood group
CD79a	B	33, 45kD	component of BCR, BCR surface expression and signal transduction	Iga	IgSF
CD79b	B	37kD	component of BCR, BCR surface expression and signal transduction	Igb	IgSF
CD80	Bact and Tact, mac, DC	60kD	binds to CD28, CD152, T costimulation	B7, B7-1, BB1	IgSF
CD81	T, B, NK, thymocytes, DC, endoth, fibroblast, neuroblastomas, melanomas	26kD	complex w/ CD19 & CD21, signaling, T costimulation	TAPA-1	TM4SF
CD82	leukocytes	50-53kD	signal transduction	R2	TM4SF
CD83	Bact and Tact, DC, Langerhans cells	43kD		HB15	IgSF
CDw84	mono, platelets, B, T subset, mac subset	73kD
CD85	DC, mono, B, NK, T subset	110kD	inhibition of NK, T cell cytolytic function		IgSF, ILT/LIR family
CD86	mono, DC, Bact and Tact	80kD	binds to CD28, CD152, T costimulation	B70, B7-2	IgSF
CD87	gran, mono, NK, Tact, endoth, fibroblasts	39-66kD	urokinase plasminogen activator receptor, inflammatory cell invasion, metastasis	UPA-R	GPI-linked
CD88	gran, mono, DC	40kD	C5a receptor, granulocyte activation	C5aR	TM7SF
CD89	mono, mac, gran, neutrophils, B subset, T subset	55-75kD	IgA receptor, phagocytosis, degranulation, respiratory burst	FcαR	IgSF
CD90	CD34+ hematopoietic subset, neurons	25-35kD	hematopoietic stem cell and neuron differentiation	Thy-1	IgSF, GPI-linked
CD91	mono, mac, neurons, fibroblasts	600kD	receptor for α-2-macroglobulin		LDLR family
CDw92	neutrophils, mono, platelets, endoth, fibroblasts	70kD
CD93	neutrophils, mono, endoth	120kD
CD94	NK, T subset	43kD	complex w/ NKG2, inhibits NK function	KP43	C-type lectin
CD95	lymph (high upon activation), mono, neutrophils	45kD	FasL (CD178) receptor, apoptosis	Apo-1, Fas	TNFRSF
CD96	NK, Tact	160kD	adhesion of activated T and NK	TACTILE	IgSF
CD97	Bact and Tact, mono, gran	74, 80, 90kD			TM7SF
CD98	T, B, NK, gran, all human cell lines	80, 40kD	cellular activation	4F2
CD99	leukocytes	32kD	T cell activation, adhesion	MIC2, E2
CD99R	T, NK, myeloid cells	32kD	isoform of CD99	E2
CD100	hematopoietic cells except immature bone marrow cells, RBC and platelets	150kD	cell adhesion, cellular activation

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