List of proteins associated with GO term: GO:0005109   frizzled binding
Protein ID
Link to complete
analysis report

Confident Level
for GO:0005109
All predicted GO Terms
psy711 portable GO:0005109, portable, frizzled binding
GO:0070593, portable, dendrite self-avoidance
GO:0007298, portable, border follicle cell migration
GO:0060071, portable, Wnt receptor signaling pathway, planar cell polarity pathway
GO:0016324, portable, apical plasma membrane
GO:0005911, portable, cell-cell junction
GO:0048546, portable, digestive tract morphogenesis
GO:0001736, portable, establishment of planar polarity
GO:0007423, portable, sensory organ development
GO:0016328, portable, lateral plasma membrane
GO:0060026, portable, convergent extension
GO:0060187, portable, cell pole
GO:0007163, portable, establishment or maintenance of cell polarity
GO:0009887, portable, organ morphogenesis
GO:0001843, portable, neural tube closure
GO:0016021, portable, integral to membrane
GO:0001655, portable, urogenital system development
GO:0016323, portable, basolateral plasma membrane
psy1030 portable GO:0070300, confident, phosphatidic acid binding
GO:0030425, portable, dendrite
GO:0046847, portable, filopodium assembly
GO:0032091, portable, negative regulation of protein binding
GO:0030136, portable, clathrin-coated vesicle
GO:0035309, portable, wing and notum subfield formation
GO:0090263, portable, positive regulation of canonical Wnt receptor signaling pathway
GO:0045177, portable, apical part of cell
GO:0035159, portable, regulation of tube length, open tracheal system
GO:0048076, portable, regulation of compound eye pigmentation
GO:0005109, portable, frizzled binding
GO:0046982, portable, protein heterodimerization activity
GO:0005829, portable, cytosol
GO:0038031, portable, non-canonical Wnt receptor signaling pathway via JNK cascade
GO:0048675, portable, axon extension
GO:0016328, portable, lateral plasma membrane
GO:0030426, portable, growth cone
GO:0005912, portable, adherens junction
GO:0035253, portable, ciliary rootlet
GO:0048668, portable, collateral sprouting
GO:0006366, portable, transcription from RNA polymerase II promoter
GO:0009986, portable, cell surface
GO:0042802, portable, identical protein binding
GO:0090163, portable, establishment of epithelial cell planar polarity
GO:0048106, portable, establishment of thoracic bristle planar orientation
GO:0030032, portable, lamellipodium assembly
GO:0045198, portable, establishment of epithelial cell apical/basal polarity
GO:0008585, portable, female gonad development
GO:0035019, portable, somatic stem cell maintenance
GO:0001843, portable, neural tube closure
GO:0032231, portable, regulation of actin filament bundle assembly
GO:0090103, portable, cochlea morphogenesis
GO:0045202, portable, synapse
GO:0090179, portable, planar cell polarity pathway involved in neural tube closure
GO:0007435, portable, salivary gland morphogenesis
GO:0031290, portable, retinal ganglion cell axon guidance
GO:0044340, portable, canonical Wnt receptor signaling pathway involved in regulation of cell proliferation
GO:0003136, portable, negative regulation of heart induction by canonical Wnt receptor signaling pathway
GO:0043025, portable, neuronal cell body
GO:0046875, portable, ephrin receptor binding
GO:0007298, portable, border follicle cell migration
GO:0007394, portable, dorsal closure, elongation of leading edge cells
GO:0051091, portable, positive regulation of sequence-specific DNA binding transcription factor activity
GO:0001737, portable, establishment of imaginal disc-derived wing hair orientation
GO:0043507, portable, positive regulation of JUN kinase activity
GO:0060914, portable, heart formation
GO:0006469, portable, negative regulation of protein kinase activity
GO:0008013, portable, beta-catenin binding
GO:0005874, portable, microtubule
GO:0005938, portable, cell cortex
GO:0043621, portable, protein self-association
GO:0048730, portable, epidermis morphogenesis
GO:0048013, portable, ephrin receptor signaling pathway
GO:0005819, portable, spindle
GO:0005634, portable, nucleus
GO:0032436, portable, positive regulation of proteasomal ubiquitin-dependent protein catabolic process
GO:0035329, portable, hippo signaling cascade
GO:0019901, portable, protein kinase binding
GO:0042493, portable, response to drug
GO:0061098, portable, positive regulation of protein tyrosine kinase activity
GO:0031122, portable, cytoplasmic microtubule organization
GO:0060028, portable, convergent extension involved in axis elongation
GO:0050821, portable, protein stabilization
GO:0003148, portable, outflow tract septum morphogenesis
GO:0032862, portable, activation of Rho GTPase activity
GO:0022007, portable, convergent extension involved in neural plate elongation
GO:0007464, portable, R3/R4 cell fate commitment
GO:0045944, portable, positive regulation of transcription from RNA polymerase II promoter
GO:0045545, portable, syndecan binding
GO:0005112, portable, Notch binding
GO:0035176, portable, social behavior
GO:0071340, portable, skeletal muscle acetylcholine-gated channel clustering
GO:0002020, portable, protease binding
GO:0060134, portable, prepulse inhibition
GO:0042384, portable, cilium assembly
GO:0019904, portable, protein domain specific binding
GO:0007379, portable, segment specification
GO:0034504, portable, protein localization to nucleus
GO:0007269, portable, neurotransmitter secretion
GO:0036342, portable, post-anal tail morphogenesis
GO:0060027, portable, convergent extension involved in gastrulation
GO:0051260, portable, protein homooligomerization
GO:0010976, portable, positive regulation of neuron projection development
GO:0009950, portable, dorsal/ventral axis specification
GO:0048365, portable, Rac GTPase binding
GO:0004871, portable, signal transducer activity
GO:0030424, portable, axon
GO:0048813, portable, dendrite morphogenesis
GO:0001702, portable, gastrulation with mouth forming second
GO:0021535, portable, cell migration in hindbrain
GO:0032053, portable, microtubule basal body organization
GO:0035372, portable, protein localization to microtubule
GO:0016318, portable, ommatidial rotation
GO:0009948, portable, anterior/posterior axis specification
psy1022 portable GO:0070300, confident, phosphatidic acid binding
GO:0030425, portable, dendrite
GO:0046847, portable, filopodium assembly
GO:0032091, portable, negative regulation of protein binding
GO:0030136, portable, clathrin-coated vesicle
GO:0035309, portable, wing and notum subfield formation
GO:0090263, portable, positive regulation of canonical Wnt receptor signaling pathway
GO:0045177, portable, apical part of cell
GO:0035159, portable, regulation of tube length, open tracheal system
GO:0048076, portable, regulation of compound eye pigmentation
GO:0005109, portable, frizzled binding
GO:0005829, portable, cytosol
GO:0048675, portable, axon extension
GO:0016328, portable, lateral plasma membrane
GO:0030426, portable, growth cone
GO:0005912, portable, adherens junction
GO:0035253, portable, ciliary rootlet
GO:0048668, portable, collateral sprouting
GO:0006366, portable, transcription from RNA polymerase II promoter
GO:0009986, portable, cell surface
GO:0042802, portable, identical protein binding
GO:0090163, portable, establishment of epithelial cell planar polarity
GO:0048106, portable, establishment of thoracic bristle planar orientation
GO:0030032, portable, lamellipodium assembly
GO:0045198, portable, establishment of epithelial cell apical/basal polarity
GO:0008585, portable, female gonad development
GO:0035019, portable, somatic stem cell maintenance
GO:0001843, portable, neural tube closure
GO:0032231, portable, regulation of actin filament bundle assembly
GO:0090103, portable, cochlea morphogenesis
GO:0045202, portable, synapse
GO:0007435, portable, salivary gland morphogenesis
GO:0031290, portable, retinal ganglion cell axon guidance
GO:0044340, portable, canonical Wnt receptor signaling pathway involved in regulation of cell proliferation
GO:0003136, portable, negative regulation of heart induction by canonical Wnt receptor signaling pathway
GO:0043025, portable, neuronal cell body
GO:0046875, portable, ephrin receptor binding
GO:0007298, portable, border follicle cell migration
GO:0007394, portable, dorsal closure, elongation of leading edge cells
GO:0051091, portable, positive regulation of sequence-specific DNA binding transcription factor activity
GO:0001737, portable, establishment of imaginal disc-derived wing hair orientation
GO:0060914, portable, heart formation
GO:0006469, portable, negative regulation of protein kinase activity
GO:0005874, portable, microtubule
GO:0005938, portable, cell cortex
GO:0043621, portable, protein self-association
GO:0048730, portable, epidermis morphogenesis
GO:0048013, portable, ephrin receptor signaling pathway
GO:0005819, portable, spindle
GO:0005634, portable, nucleus
GO:0032436, portable, positive regulation of proteasomal ubiquitin-dependent protein catabolic process
GO:0003151, portable, outflow tract morphogenesis
GO:0035329, portable, hippo signaling cascade
GO:0019901, portable, protein kinase binding
GO:0061098, portable, positive regulation of protein tyrosine kinase activity
GO:0046982, portable, protein heterodimerization activity
GO:0031122, portable, cytoplasmic microtubule organization
GO:0060028, portable, convergent extension involved in axis elongation
GO:0050821, portable, protein stabilization
GO:0032862, portable, activation of Rho GTPase activity
GO:0038031, portable, non-canonical Wnt receptor signaling pathway via JNK cascade
GO:0022007, portable, convergent extension involved in neural plate elongation
GO:0007464, portable, R3/R4 cell fate commitment
GO:0045944, portable, positive regulation of transcription from RNA polymerase II promoter
GO:0045545, portable, syndecan binding
GO:0005112, portable, Notch binding
GO:0035176, portable, social behavior
GO:0071340, portable, skeletal muscle acetylcholine-gated channel clustering
GO:0060134, portable, prepulse inhibition
GO:0042384, portable, cilium assembly
GO:0019904, portable, protein domain specific binding
GO:0007379, portable, segment specification
GO:0034504, portable, protein localization to nucleus
GO:0007269, portable, neurotransmitter secretion
GO:0036342, portable, post-anal tail morphogenesis
GO:0060027, portable, convergent extension involved in gastrulation
GO:0051260, portable, protein homooligomerization
GO:0090179, portable, planar cell polarity pathway involved in neural tube closure
GO:0010976, portable, positive regulation of neuron projection development
GO:0009950, portable, dorsal/ventral axis specification
GO:0048365, portable, Rac GTPase binding
GO:0004871, portable, signal transducer activity
GO:0030424, portable, axon
GO:0043507, portable, positive regulation of JUN kinase activity
GO:0048813, portable, dendrite morphogenesis
GO:0008013, portable, beta-catenin binding
GO:0001702, portable, gastrulation with mouth forming second
GO:0021535, portable, cell migration in hindbrain
GO:0032053, portable, microtubule basal body organization
GO:0035372, portable, protein localization to microtubule
GO:0016318, portable, ommatidial rotation
GO:0009948, portable, anterior/posterior axis specification
psy13635 portable GO:0060042, portable, retina morphogenesis in camera-type eye
GO:0042813, portable, Wnt-activated receptor activity
GO:0005769, portable, early endosome
GO:0048754, portable, branching morphogenesis of an epithelial tube
GO:0002053, portable, positive regulation of mesenchymal cell proliferation
GO:0090263, portable, positive regulation of canonical Wnt receptor signaling pathway
GO:0045177, portable, apical part of cell
GO:0010243, portable, response to organic nitrogen
GO:0016023, portable, cytoplasmic membrane-bounded vesicle
GO:0035426, portable, extracellular matrix-cell signaling
GO:0005109, portable, frizzled binding
GO:0048646, portable, anatomical structure formation involved in morphogenesis
GO:0048878, portable, chemical homeostasis
GO:0044446, portable, intracellular organelle part
GO:0051960, portable, regulation of nervous system development
GO:0060348, portable, bone development
GO:0014033, portable, neural crest cell differentiation
GO:0030326, portable, embryonic limb morphogenesis
GO:0045668, portable, negative regulation of osteoblast differentiation
GO:0014029, portable, neural crest formation
GO:0042074, portable, cell migration involved in gastrulation
GO:0060070, portable, canonical Wnt receptor signaling pathway
GO:0030229, portable, very-low-density lipoprotein particle receptor activity
GO:0045944, portable, positive regulation of transcription from RNA polymerase II promoter
GO:0034392, portable, negative regulation of smooth muscle cell apoptotic process
GO:0043235, portable, receptor complex
GO:0001944, portable, vasculature development
GO:0005901, portable, caveola
GO:0042803, portable, protein homodimerization activity
GO:0005615, portable, extracellular space
GO:0043065, portable, positive regulation of apoptotic process
GO:0071397, portable, cellular response to cholesterol
GO:0071936, portable, coreceptor activity involved in Wnt receptor signaling pathway
GO:0009952, portable, anterior/posterior pattern specification
GO:0051049, portable, regulation of transport
GO:0071813, portable, lipoprotein particle binding
GO:0006007, portable, glucose catabolic process
GO:0009986, portable, cell surface
GO:0017147, portable, Wnt-protein binding
GO:0044332, portable, Wnt receptor signaling pathway involved in dorsal/ventral axis specification
GO:0015031, portable, protein transport
GO:2000055, portable, positive regulation of Wnt receptor signaling pathway involved in dorsal/ventral axis specification
GO:0007155, portable, cell adhesion
GO:0044765, portable, single-organism transport
GO:0007399, portable, nervous system development
GO:0005739, portable, mitochondrion
GO:0045840, portable, positive regulation of mitosis
GO:0005041, portable, low-density lipoprotein receptor activity
GO:0060603, portable, mammary gland duct morphogenesis
GO:0046907, portable, intracellular transport
GO:0032844, portable, regulation of homeostatic process
GO:0046850, portable, regulation of bone remodeling
GO:0006898, portable, receptor-mediated endocytosis
GO:0045202, portable, synapse
GO:0048705, portable, skeletal system morphogenesis
GO:0019210, portable, kinase inhibitor activity
GO:0043025, portable, neuronal cell body
GO:0071901, portable, negative regulation of protein serine/threonine kinase activity
GO:0005770, portable, late endosome
GO:0030178, portable, negative regulation of Wnt receptor signaling pathway
GO:0051091, portable, positive regulation of sequence-specific DNA binding transcription factor activity
GO:0008217, portable, regulation of blood pressure
GO:0019534, portable, toxin transporter activity
GO:0045600, portable, positive regulation of fat cell differentiation
GO:0005578, portable, proteinaceous extracellular matrix
GO:0005794, portable, Golgi apparatus
psy13631 portable GO:0060042, portable, retina morphogenesis in camera-type eye
GO:0042813, portable, Wnt-activated receptor activity
GO:0005769, portable, early endosome
GO:0002053, portable, positive regulation of mesenchymal cell proliferation
GO:0090263, portable, positive regulation of canonical Wnt receptor signaling pathway
GO:0010243, portable, response to organic nitrogen
GO:0005109, portable, frizzled binding
GO:0035426, portable, extracellular matrix-cell signaling
GO:0048878, portable, chemical homeostasis
GO:0060348, portable, bone development
GO:0014033, portable, neural crest cell differentiation
GO:0030326, portable, embryonic limb morphogenesis
GO:0045668, portable, negative regulation of osteoblast differentiation
GO:0014029, portable, neural crest formation
GO:0042074, portable, cell migration involved in gastrulation
GO:0060070, portable, canonical Wnt receptor signaling pathway
GO:0045944, portable, positive regulation of transcription from RNA polymerase II promoter
GO:0034392, portable, negative regulation of smooth muscle cell apoptotic process
GO:0043235, portable, receptor complex
GO:0005901, portable, caveola
GO:0001944, portable, vasculature development
GO:0042803, portable, protein homodimerization activity
GO:0043065, portable, positive regulation of apoptotic process
GO:0071397, portable, cellular response to cholesterol
GO:0071936, portable, coreceptor activity involved in Wnt receptor signaling pathway
GO:0009952, portable, anterior/posterior pattern specification
GO:0006007, portable, glucose catabolic process
GO:0009986, portable, cell surface
GO:0017147, portable, Wnt-protein binding
GO:0044332, portable, Wnt receptor signaling pathway involved in dorsal/ventral axis specification
GO:2000055, portable, positive regulation of Wnt receptor signaling pathway involved in dorsal/ventral axis specification
GO:0007399, portable, nervous system development
GO:0005739, portable, mitochondrion
GO:0045840, portable, positive regulation of mitosis
GO:0005041, portable, low-density lipoprotein receptor activity
GO:0060603, portable, mammary gland duct morphogenesis
GO:0032844, portable, regulation of homeostatic process
GO:0046850, portable, regulation of bone remodeling
GO:0045202, portable, synapse
GO:0048705, portable, skeletal system morphogenesis
GO:0019210, portable, kinase inhibitor activity
GO:0043025, portable, neuronal cell body
GO:0071901, portable, negative regulation of protein serine/threonine kinase activity
GO:0005770, portable, late endosome
GO:0030178, portable, negative regulation of Wnt receptor signaling pathway
GO:0051091, portable, positive regulation of sequence-specific DNA binding transcription factor activity
GO:0008217, portable, regulation of blood pressure
GO:0031410, portable, cytoplasmic vesicle
GO:0019534, portable, toxin transporter activity
GO:0045600, portable, positive regulation of fat cell differentiation
psy1026 portable GO:0045893, portable, positive regulation of transcription, DNA-dependent
GO:0030425, portable, dendrite
GO:0032091, portable, negative regulation of protein binding
GO:0030136, portable, clathrin-coated vesicle
GO:0003151, portable, outflow tract morphogenesis
GO:0090263, portable, positive regulation of canonical Wnt receptor signaling pathway
GO:0045177, portable, apical part of cell
GO:0005109, portable, frizzled binding
GO:0034613, portable, cellular protein localization
GO:0046982, portable, protein heterodimerization activity
GO:0005829, portable, cytosol
GO:0038031, portable, non-canonical Wnt receptor signaling pathway via JNK cascade
GO:0070300, portable, phosphatidic acid binding
GO:0048675, portable, axon extension
GO:0016328, portable, lateral plasma membrane
GO:0030426, portable, growth cone
GO:0035253, portable, ciliary rootlet
GO:0048668, portable, collateral sprouting
GO:0006366, portable, transcription from RNA polymerase II promoter
GO:0009986, portable, cell surface
GO:0019899, portable, enzyme binding
GO:0065008, portable, regulation of biological quality
GO:0042802, portable, identical protein binding
GO:0031329, portable, regulation of cellular catabolic process
GO:0060029, portable, convergent extension involved in organogenesis
GO:0001843, portable, neural tube closure
GO:0090103, portable, cochlea morphogenesis
GO:0045202, portable, synapse
GO:0030031, portable, cell projection assembly
GO:0090179, portable, planar cell polarity pathway involved in neural tube closure
GO:0044340, portable, canonical Wnt receptor signaling pathway involved in regulation of cell proliferation
GO:0043025, portable, neuronal cell body
GO:0046875, portable, ephrin receptor binding
GO:0051091, portable, positive regulation of sequence-specific DNA binding transcription factor activity
GO:0043507, portable, positive regulation of JUN kinase activity
GO:0006469, portable, negative regulation of protein kinase activity
GO:0008013, portable, beta-catenin binding
GO:0005938, portable, cell cortex
GO:0005874, portable, microtubule
GO:0043621, portable, protein self-association
GO:0007411, portable, axon guidance
GO:0048013, portable, ephrin receptor signaling pathway
GO:0003002, portable, regionalization
GO:0005819, portable, spindle
GO:0005634, portable, nucleus
psy18026 portable GO:0070300, confident, phosphatidic acid binding
GO:0046847, portable, filopodium assembly
GO:0035309, portable, wing and notum subfield formation
GO:0035159, portable, regulation of tube length, open tracheal system
GO:0048076, portable, regulation of compound eye pigmentation
GO:0048675, portable, axon extension
GO:0005912, portable, adherens junction
GO:0090163, portable, establishment of epithelial cell planar polarity
GO:0048106, portable, establishment of thoracic bristle planar orientation
GO:0030032, portable, lamellipodium assembly
GO:0045893, portable, positive regulation of transcription, DNA-dependent
GO:0045198, portable, establishment of epithelial cell apical/basal polarity
GO:0008585, portable, female gonad development
GO:0035019, portable, somatic stem cell maintenance
GO:0032231, portable, regulation of actin filament bundle assembly
GO:0007435, portable, salivary gland morphogenesis
GO:0031290, portable, retinal ganglion cell axon guidance
GO:0003136, portable, negative regulation of heart induction by canonical Wnt receptor signaling pathway
GO:0007298, portable, border follicle cell migration
GO:0007394, portable, dorsal closure, elongation of leading edge cells
GO:0001737, portable, establishment of imaginal disc-derived wing hair orientation
GO:0060914, portable, heart formation
GO:0005938, portable, cell cortex
GO:0048730, portable, epidermis morphogenesis
GO:0030425, portable, dendrite
GO:0032091, portable, negative regulation of protein binding
GO:0030136, portable, clathrin-coated vesicle
GO:0003151, portable, outflow tract morphogenesis
GO:0090263, portable, positive regulation of canonical Wnt receptor signaling pathway
GO:0045177, portable, apical part of cell
GO:0000226, portable, microtubule cytoskeleton organization
GO:0019901, portable, protein kinase binding
GO:0005109, portable, frizzled binding
GO:0046982, portable, protein heterodimerization activity
GO:0005829, portable, cytosol
GO:0038031, portable, non-canonical Wnt receptor signaling pathway via JNK cascade
GO:0007464, portable, R3/R4 cell fate commitment
GO:0016328, portable, lateral plasma membrane
GO:0005112, portable, Notch binding
GO:0030426, portable, growth cone
GO:0035253, portable, ciliary rootlet
GO:0035556, portable, intracellular signal transduction
GO:0048668, portable, collateral sprouting
GO:0071340, portable, skeletal muscle acetylcholine-gated channel clustering
GO:0006366, portable, transcription from RNA polymerase II promoter
GO:0009986, portable, cell surface
GO:0042802, portable, identical protein binding
GO:0031329, portable, regulation of cellular catabolic process
GO:0060029, portable, convergent extension involved in organogenesis
GO:0001843, portable, neural tube closure
GO:0090103, portable, cochlea morphogenesis
GO:0045202, portable, synapse
GO:0090179, portable, planar cell polarity pathway involved in neural tube closure
GO:0044340, portable, canonical Wnt receptor signaling pathway involved in regulation of cell proliferation
GO:0048365, portable, Rac GTPase binding
GO:0043025, portable, neuronal cell body
GO:0046875, portable, ephrin receptor binding
GO:0004871, portable, signal transducer activity
GO:0051091, portable, positive regulation of sequence-specific DNA binding transcription factor activity
GO:0043507, portable, positive regulation of JUN kinase activity
GO:0048813, portable, dendrite morphogenesis
GO:0006469, portable, negative regulation of protein kinase activity
GO:0008013, portable, beta-catenin binding
GO:0005874, portable, microtubule
GO:0043621, portable, protein self-association
GO:0048013, portable, ephrin receptor signaling pathway
GO:0005819, portable, spindle
GO:0005634, portable, nucleus
GO:0016318, portable, ommatidial rotation
psy1789 portable GO:0017147, portable, Wnt-protein binding
GO:0043410, portable, positive regulation of MAPK cascade
GO:0042813, portable, Wnt-activated receptor activity
GO:0071900, portable, regulation of protein serine/threonine kinase activity
GO:0043005, portable, neuron projection
GO:0016055, portable, Wnt receptor signaling pathway
GO:0048009, portable, insulin-like growth factor receptor signaling pathway
GO:0005109, portable, frizzled binding
GO:0005911, portable, cell-cell junction
GO:0050919, portable, negative chemotaxis
GO:0044428, portable, nuclear part
GO:0046777, portable, protein autophosphorylation
GO:0005615, portable, extracellular space
GO:0071310, portable, cellular response to organic substance
GO:0048843, portable, negative regulation of axon extension involved in axon guidance
GO:0046331, portable, lateral inhibition
GO:1901701, portable, cellular response to oxygen-containing compound
GO:0042981, portable, regulation of apoptotic process
GO:0005524, portable, ATP binding
GO:0051259, portable, protein oligomerization
GO:0004714, portable, transmembrane receptor protein tyrosine kinase activity
GO:0022038, portable, corpus callosum development
GO:0005856, portable, cytoskeleton
GO:0071679, portable, commissural neuron axon guidance
GO:0045202, portable, synapse
GO:0048705, portable, skeletal system morphogenesis
GO:0007435, portable, salivary gland morphogenesis
GO:0044444, portable, cytoplasmic part
GO:0032403, portable, protein complex binding
GO:0019838, portable, growth factor binding
GO:0005887, portable, integral to plasma membrane
GO:0016204, portable, determination of muscle attachment site
GO:0018108, portable, peptidyl-tyrosine phosphorylation
GO:0045860, portable, positive regulation of protein kinase activity