Inner Medullary Collecting Duct Membrane Protein (IMP) Database, LKEM, DIR, NHLBI, NIH

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This database lists integral and GPI-anchored membrane proteins of rat kidney inner medullary collecting ducts (IMCDs) identified by protein mass spectrometry in the Laboratory of Kidney and Electrolyte Metabolism (LKEM), NHLBI, NIH.

Protein identifications were made in whole IMCD cells (techniques: 1-4, 6-9) and in membrane enriched fractions (techniques: 5, 10) freshly prepared from rat kidneys. Click Technique at the header raw for descriptions of the experiments.

The database currently has 241 integral and GPI-anchored membrane proteins downloadable here. For sorting by Protein Name, Gene Name, Collecting Duct Database (CDDB) Family Group Name, or Accession Number, select from the dropdown list provided above.

The webpage was made possible by NHLBI, NIH with assistance from Guozhong Ma. For comments and suggestions, please contact Ming-Jiun Yu, Trairak Pisitkun, or Mark A. Knepper.

Protein Name	Gene Name	CDDB Family Group Name	Accession Number	Technique
2- oxoglutarate carrier	LOC64201	Transporters and Channels	NP_071793	6
5- hydroxytryptamine	Htr2a	G- protein Coupled Receptors	NP_058950	6
a disintegrin and metalloprotease domain 7	Adam7	Signal Proteins	NP_064697	6
acyl- CoA synthetase long- chain family member 4	Acsl4	Biosynthetic Protein	NP_446075	6
acyl- CoA synthetase long- chain family member 5	Acsl5	Biosynthetic Protein	NP_446059	6
ADAM 10 precursor	ADAM10	Signal Proteins	XP_217197	10b
ADAM 17 precursor	ADAM17	Signal Proteins	NP_064702	10b
adenylate cyclase 6	Adcy6	Adenylyl Cyclase	NP_036953	2
adenylyl cyclase 8	Adcy8	Adenylyl Cyclase	NP_058838	6
Agrin precursor	AGRN	Adhesion Proteins and Collagens	NP_786930	4, 5, 10b
Alkaline phosphatase, tissue- nonspecific isozyme precursor	ALPL	Aminopeptidases	NP_037191	10c
alpha- 1, 3- mannosyltransferase ALG2	Alg2	Biosynthetic Protein	NP_064382	5
Amine oxidase [flavin- containing] A	MAOA	Protein Degradation Pathways	XP_343765	10b
Aminopeptidase N	ANPEP	Aminopeptidases	NP_112274	5, 10a
aminopeptidase Vp165	Lnpep	Aminopeptidases	NP_598258	5
Angiotensin II/vasopressin receptor	Nalp6	Signal Proteins	XP_577848	6
Angiotensin- converting enzyme, somatic isoform precursor	ACE	Signal proteins	NP_036676	10a
aquaporin 1	AQP1	Transporters and channels	NP_036910	5, 6, 10c, 10c
aquaporin 2	AQP2	Transporters and channels	NP_037041	5, 6, 10c, 10c
aquaporin 4	AQP4	Transporters and channels	NP_036957	8, 10c, 10c
ATPase, Ca++ transporting, cardiac muscle, fast twitch 1	Atp2a1	Ion Pumps	NP_478120	6
ATPase, Ca++ transporting, plasma membrane 2	Atp2b2	Ion Pumps	NP_036640	6
ATPase, Ca++ transporting, ubiquitous	Atp2a3	Ion Pumps	NP_037046	4
ATPase, Ca2++ transporting Plasma membrane calcium- transporting ATPase 4	Atp2b4	Ion Pumps	NP_001005871	6
ATPase, Ca2++ transporting Sarcoplasmic/endoplasmic reticulum calcium ATPase 2	Atp2a2	Ion Pumps	NP_058986	5, 6
ATPase, Cu++ transporting, alpha polypeptide	Atp7a	Ion Pumps	NP_434690	8
ATPase, H+ transporting, lysosomal	Atp6v0a1	Ion Pumps	NP_113792	5
ATPase, H+/K+ transporting, nongastric, alpha polypeptide	ATP12A	Ion pumps	NP_598201	6, 10c
ATPase, K+ transporting ATPase alpha chain 1	ATP4A	Ion pumps	XP_341835	10a
ATPase, Na+/K+ transporting, alpha 1 polypeptide	ATP1A1	Ion pumps	NP_036636	3, 4, 5, 6, 10c, 10b
ATPase, Na+/K+ transporting, alpha 2 polypeptide	Atp1a2	Ion Pumps	NP_036637	5, 6
ATPase, Na+/K+ transporting, alpha 3 polypeptide	ATP1A3	Ion pumps	NP_036638	6, 10c, 10b
ATPase, Na+/K+ transporting, alpha 4 polypeptide	ATP1A4	Ion pumps	NP_074039	6, 10c
ATPase, Na+/K+ transporting, beta 1 polypeptide	ATP1B1	Ion pumps	NP_037245	4, 5, 6, 10c, 10b
ATPase, Na+/K+ transporting, beta 3 polypeptide	ATP1B3	Ion pumps	NP_037045	10c, 10b
ATPase, Na+/K+ transporting, FXYD2 isoform a; gamma subunit of Na- K- ATPase	FXYD2	Ion pumps	NP_059045	5, 10c
ATP- binding cassette sub- family A member 2	ABCA2	Transporters and channels	NP_077372	6, 10a
ATP- binding cassette, sub- family B, (MDR/TAP), member 1	Abcb1	Transporters and Channels	NP_036755	6
ATP- binding cassette, sub- family B, (MDR/TAP), member 11	Abcb11	Transporters and Channels	NP_113948	6
ATP- binding cassette, sub- family C, (CFTR/MRP), member 4	Abcc4	Transporters and Channels	NP_596902	8
ATP- binding cassette, sub- family C, (CFTR/MRP), member 9	Abcc9	Transporters and Channels	NP_037172	6
ATP- binding cassette, sub- family F, member 1	Abcf1	Transporters and Channels	NP_038882	6
ATP- sensitive inward rectifier potassium channel 1	KCNJ1	Transporters and Channels	NP_058719	10b
atrial natriuretic peptide receptor 1; GC- A	Npr1	Guanylyl Cyclases and Nitric Oxide Synthases	NP_036745	6
Band 3 anion transport protein	SLC4A1	Transporters and channels	NP_036783	6, 10c
Barttin	BSND	Transporters and channels	NP_620435	10c
basal cell adhesion molecule; Lutheran blood group	Lu	Adhesion Proteins and Collagens	NP_113940	4, 5
Basigin precursor	BSG	Transporters and channels	NP_036915	10c
cadherin 16	Cdh16	Adhesion Proteins and Collagens	NP_001012055	5
cadherin 23	Cdh23	Adhesion Proteins and Collagens	NP_446096	6
calcium channel, dihydropyridine- sensitive L- type, alpha- 2/deltasubunits precursor	CACNA2D1	Transporters and channels	NP_037051	10c
calcium channel, voltage- dependent, L type, alpha 1C subunit	Cacna1c	Transporters and Channels	NP_036649	6
calcium channel, voltage- dependent, T type, alpha 1G subunit	Cacna1g	Transporters and Channels	NP_113789	6
Calnexin precursor	CANX	Chaperones	NP_742005	5, 6, 10c, 10c, 10b
calreticulin	Calr	Chaperone	NP_071794	3, 4, 5, 6, 7
cannabinoid receptor 2 gene	Cnr2	G- protein Coupled Receptors	NP_065418	6
Carbonic anhydrase 4 precursor	CA4	Transporters and channels (related)	NP_062047	10c
carboxypeptidase D	Cpd	Aminopeptidases	NP_036968	6
carnitine palmitoyltransferase 1, liver	CPT1A	Metabolism proteins	NP_113747	6, 10c
catechol- O- methyltransferase	Comt	Biosynthetic Protein	NP_036663	4, 6
cation- dependent mannose- 6- phosphate receptor	M6pr	Membrane Trafficking Proteins	NP_001007701	5
Caveolin- 1	CAV	Membrane trafficking proteins	NP_598412	10c
CD151 antigen	CD151	Adhesion proteins and collagens	NP_071968	10c
CD166 antigen precursor	ALCAM	Adhesion proteins and collagens	NP_113941	6, 10c, 10b
CD36 antigen	Scarb2	Membrane Receptor	NP_446453	5
CD40 ligand	CD40LG	Signal proteins	NP_445805	10a
CD48 antigen precursor	CD48	Signal proteins	NP_620803	10c
CD59 (protectin)	CD59	Miscellaneous proteins	NP_037057	4, 5, 10c
CD9 antigen	CD9	Adhesion Proteins and Collagens	NP_031683	6
chloride channel K1	Clcnk1	Transporters and Channels	NP_445779	5
Chloride channel protein ClC- Ka	CLCNKA	Transporters and channels	NP_077723	10c
chloride intracellular channel 1	Clic1	Transporters and Channels	NP_001002807	3, 4
Chloride intracellular channel protein 4	CLIC4	Transporters and channels	NP_114006	10a
chloride ion pump- associated 55 kDa protein	Pcyox1	Ion Pumps	NP_659553	5
cholinergic receptor, nicotinic, delta polypeptide	Chrnd	Transporters and Channels	NP_062171	6
Class I histocompatibility antigen, Non- RT1A alpha- 1 chain precursor	RT1- AW2	Miscellaneous proteins	NP_036777	10c
claudin 4	Cldn4	Transporters and Channels	NP_034033	5
coated vesicle membrane protein; emp24	Rnp24	Membrane Trafficking Proteins	NP_113910	5
Contactin- 1 precursor	CNTN1	Signal proteins	NP_476459	10c
cytochrome b- 5	Cyb5	Metabolism Proteins (energy metabolism)	NP_071581	5, 6
cytochrome b5, outer mitochondrial membrane isoform	Cyb5m	Metabolism Proteins (energy metabolism)	NP_085075	6
Cytochrome c oxidase subunit 2	MTCO2	Metabolism proteins	YP_665632	10c, 10b
Cytochrome c oxidase subunit 4 isoform 1, mitochondrial precursor	COX4I1	Metabolism Proteins	NP_058898	6, 10b
cytochrome c oxidase subunit II	COX2	Metabolism Proteins (energy metabolism)	NP_007227	6
cytochrome P450, family 1, subfamily a, polypeptide 1	Cyp1a1	Metabolism Proteins	NP_036672	6
cytochrome P450, family 2, subfamily c, polypeptide 70	Cyp2c70	Metabolism Proteins	NP_612521	6
cytochrome P450, family 4, subfamily b, polypeptide 1	Cyp4b1	Metabolism Proteins	NP_058695	6
defender against cell death 1	Dad1	Miscellaneous	NP_620265	5, 6
Dolichyl- diphosphooligosaccharide- - protein glycosyltransferase 63 kDasubunit precursor	RPN2	Biosynthetic Protein	NP_113886	6, 10b
Dolichyl- diphosphooligosaccharide- - protein glycosyltransferase 67 kDasubunit precursor	RPN1	Biosynthetic Protein	NP_037199	10b
dolichyl- di- phosphooligosaccharide- protein glycotransferase	Ddost	Biosynthetic Protein	NP_001012104	5
Ectonucleotide pyrophosphatase/phosphodiesterase 1	ENPP1	Signal Proteins	NP_445987	10b
EGP- 314, tumor- associated calcium signal transducer 1	Tacstd1	Miscellaneous	NP_612550	3, 4, 5
endomucin	Emcn	Adhesion Proteins and Collagens	NP_001004228	5
endoplasmic retuclum protein 29	Erp29	Biosynthetic Protein	NP_446413	5, 6
endoplasmin; GRP94; tumor rejection antigen gp96	Tra1	Chaperone	NP_035761	5
endothelial type gp91- phox gene	Cybb	Metabolism Proteins (energy metabolism)	NP_076455	2
Epithelial- cadherin precursor	CDH1	Adhesion proteins and collagens	NP_112624	6, 10c, 10b
flotillin 1	Flot1	Membrane Trafficking Proteins	NP_073192	6
Frizzled 1 precursor	FZD1	Membrane Receptors	NP_067089	10b
FXYD4; corticosteroid- induced protein precursor	Fxyd4	Binding Protein	NP_071783	5
glucose regulated protein, 58 kDa; GRP58	Grp58;Pdia3	Biosynthetic Protein	NP_059015	2, 3, 4, 5, 6, 7
glucosidase 1	Gcs1	Biosynthetic Protein	NP_113937	5
Glutamate [NMDA] receptor subunit epsilon 1 precursor	Grin2a	Transporters and Channels	NP_036705	6
Glutamate [NMDA] receptor subunit epsilon 4 precursor	GRIN2D	Membrane receptors	NP_073634	10a
glutamate receptor, ionotropic, AMPA1	Gria1	Transporters and Channels	NP_113796	6
glutamate receptor, ionotropic, kainate 4 precursor	Grik4	Transporters and Channels	NP_036704	6
glutamate receptor, metabotropic 4	Grm4	G- protein Coupled Receptors	NP_073157	6
Golgi apparatus protein 1 precursor	GLG1	Adhesion Proteins and Collagens	NP_058907	6, 10b
G- protein coupled receptor 64 precursor	GPR64	Membrane receptors	NP_852031	10a
Huntingtin	Hd	Cytoskeletal Proteins and Linkers/Molecular Motors	XP_001058820	6
hypothetical protein LOC361118	RGD1309676	Miscellaneous	NP_001014162	5
inositol 1, 4, 5- triphosphate receptor 3	Itpr3	Transporters and Channels	NP_037270	6
Inositol 1, 4, 5- trisphosphate receptor type 1	ITPR1	Transporters and channels	NP_001007236	5, 6, 10c
Inositol 1, 4, 5- trisphosphate receptor type 2	ITPR2	Transporters and channels	NP_112308	6, 10c
Insulin- like growth factor 1 receptor precursor	IGF1R	Membrane Receptors	NP_434694	10b
insulin- like growth factor 2 receptor	Igf2r	Signal Proteins	NP_036888	5
integrin alpha 2	Itga2	Adhesion Proteins and Collagens	NP_032422	5
integrin alpha 3	Itga3	Adhesion Proteins and Collagens	NP_038593	5
integrin alpha 7	Itga7	Adhesion Proteins and Collagens	NP_110469	6
integrin alpha V	Itgav	Adhesion Proteins and Collagens	NP_032428	5
Integrin alpha- 1 precursor	ITGA1	Adhesion proteins and collagens	NP_112256	10c, 10b
Integrin beta- 1 precursor	ITGB1	Adhesion Proteins and Collagens	NP_058718	5, 6, 10b
Intercellular adhesion molecule 1 precursor	ICAM1	Adhesion proteins and collagens	NP_037099	10c
latrophilin 2	Lphn2	G- protein Coupled Receptors	NP_599235	8
lectin, mannose- binding 2	Lman2	Biosynthetic Protein	NP_080104	5
leucine zipper- EF- hand containing transmembrane protein 1	Letm1	Miscellaneous	NP_001005884	6
Lipid phosphate phosphohydrolase 3	PPAP2B	Metabolism proteins	NP_620260	10c
Lipoprotein lipase precursor	LPL	Metabolism proteins	NP_036730	10a
Low- density lipoprotein receptor- related protein 4 precursor	LRP4	Membrane receptors	NP_112612	10a
luteinizing hormone/choriogonadotropin receptor	Lhcgr	G- protein Coupled Receptors	NP_037110	6
lysosomal membrane glycoprotein 2	Lamp2	Protein Degradation Pathways	NP_058764	5
Lysosome- associated membrane glycoprotein 1 precursor	LAMP1	Membrane trafficking proteins	NP_036989	5, 10c
membrane bound C2 domain containing protein; GLUT4 vesicle protein	Mbc2	Miscellaneous	NP_058945	5
Microsomal signal peptidase 25 kDa subunit	Spc25	Biosynthetic Protein	NP_079944	4, 5
Mitochondrial 2- oxoglutarate/malate carrier protein	SLC25A11	Transporters and channels	NP_071793	10c
Monocarboxylate transporter 2	SLC16A7	Transporters and channels	NP_058998	10c
Monocyte differentiation antigen CD14 precursor	CD14	Signal proteins	NP_068512	10c
Neural cell adhesion molecule L1 precursor	L1CAM	Adhesion Proteins and Collagens	NP_059041	10b
Neurexin 4; contactin associated protein 1	Cntnap1	Adhesion Proteins and Collagens	NP_114450	6
Neurogenic locus notch homolog protein 1 precursor	Notch1	Signal Proteins	XP_342393	6
Neuropilin- 1 precursor	NRP1	Membrane Receptors	NP_659566	10b
notch gene homolog 2	Notch2	Signal Proteins	NP_077334	6
Notch gene homolog 3	Notch3	Signal Proteins	NP_064472	6
Palmitoyltransferase ZDHHC7	ZDHHC7	Biosynthetic proteins	NP_596885	10a
pantophysin; synaptophysin- like protein	Sypl	Membrane Trafficking Proteins	NP_001014285	5
peripherin 2	Prph2	Adhesion Proteins and Collagens	NP_037153	6
Phosphate carrier protein, mitochondrial precursor	SLC25A3	Transporters and channels	NP_620800	4, 6, 10c, 10b
phosphatidylinositol glycan, class S	Pigs	Miscellaneous	NP_001006602	6
Plasma membrane calcium- transporting ATPase 1	Atp2b1	Ion Pumps	NP_445763	6
plasmalemma vesicle associated protein	Plvap	Membrane Trafficking Proteins	NP_064471	5
Podocalyxin precursor	PODXL	Adhesion proteins and collagens	NP_620203	10c, 10b
Potassium channel subfamily K member 13	KCNK13	Transporters and channels	NP_071629	10a
potassium intermediate/small conductance calcium- activated channel, subfamily N, member 1	Kcnn1	Transporters and Channels	NP_062186	8
Potassium voltage- gated channel subfamily D member 3	KCND3	Transporters and channels	NP_113927	10a
potassium voltage- gated channel, subfamily H	Kcnh5	Transporters and Channels	NP_598294	6
potassium voltage- gated channel, subfamily H, member 6	Kcnh6	Transporters and Channels	NP_446389	6
potassium voltage- gated channel, subfamily Q, member 3	Kcnq3	Transporters and Channels	NP_113785	6
Potassium/sodium hyperpolarization- activated cyclic nucleotide- gatedchannel 1	HCN1	Transporters and channels	NP_445827	10a
PREDICTED: oxidation resistance 1	Oxr1	Miscellaneous	XP_576258	8
PREDICTED: progesterone receptor membrane component 1	Pgrmc1	Membrane Receptor	NP_068534	5, 6, 8
Probable G- protein coupled receptor 116 precursor	GPR116	Membrane Receptors	NP_620810	10b
progesterone receptor membrane component 2	Pgrmc2	Membrane Receptor	NP_001008375	8
prolyl 4- hydroxylase, beta polypeptide	P4hb	Biosynthetic Protein	NP_037130	5, 6
prostaglandin F receptor	Ptgfr	G- protein Coupled Receptors	NP_037247	6
Prostaglandin F2 receptor negative regulator precursor	PTGFRN	Miscellaneous	NP_062116	10b
protein disulfide isomerase- associated 4	Erp70	Biosynthetic Protein	NP_446301	6
Protein disulfide- isomerase A6 precursor	Pdia6	Biosynthetic Protein	NP_001004442	2
Protein disulfide- isomerase A6 precursor; thioredoxin domain containing 7	Txndc7	Biosynthetic Protein	NP_001004442	5, 6
Protein KIAA0152 precursor	KIAA0152	Miscellaneous proteins	NP_055545	5, 10c
proteolipid protein 2	Plp2	Miscellaneous	NP_997484	5
Protocadherin: Fat 2 precursor	Fath2	Adhesion Proteins and Collagens	NP_075243	6
receptor guanylate cyclase GC- D; similar to ANP receptor	Gucy2d	Guanylyl Cyclases and Nitric Oxide Synthases	NP_570093	6
reticulon 4; Nogo protein; Foocen; Glut4 vesicle 20 kDa protein	RTN4	Membrane trafficking proteins	NP_114019	5, 6, 8, 10c
RT1 class I histocompatibility antigen, AA alpha chain precursor	RT1- A2	Miscellaneous	NP_001008829	6
secretory carrier membrane protein 1	Scamp1	Membrane Trafficking Proteins	NP_083429	5
secretory carrier membrane protein 2	Scamp2	Membrane Trafficking Proteins	NP_076445	5
secretory carrier membrane protein 3	Scamp3	Membrane Trafficking Proteins	NP_036016	5
semaphorin 6c	Sema6c	Adhesion Proteins and Collagens	NP_059004	6
Serine/threonine- protein kinase receptor R3 precursor	ACVRL1	Membrane receptors	NP_071886	10a
seven- pass G- type receptor 2, cadherin EGF LAG	Celsr2	G- protein Coupled Receptors	NP_112609	6
seven- pass G- type receptor 3, cadherin EGF LAG	Celsr3	G- protein Coupled Receptors	NP_112610	6, 8
Sideroflexin- 3	SFXN3	Transporters and channels	NP_075237	10c
signal peptidase complex 18kD	Spc18	Biosynthetic Protein	NP_113911	5, 6
signal sequence receptor 4	Ssr4	Biosynthetic Protein	NP_058895	5
signal sequence receptor, alpha	Ssr1	Biosynthetic Protein	NP_001008891	5
similar to gp250 precursor	Sorl1	Membrane Trafficking Proteins	XP_217115	5
similar to Myoferlin	LOC309499	Miscellaneous	XP_220031	5
similar to syntaxin 16 isoform b	Stx16	Membrane Trafficking Proteins	XP_342596	5
similar to Transmembrane protein 16F	Tmem16f	Miscellaneous	XP_235640	4
Sodium- and chloride- dependent taurine transporter	SLC6A6	Transporters and channels	NP_058902	10a
sodium channel 25	Scn9a	Transporters and Channels	NP_579823	6
Sodium channel protein type 5 alpha subunit	SCN5A	Transporters and channels	NP_037257	10a
sodium channel, voltage- gated, type 4, alpha polypeptide	Scn4a	Transporters and Channels	NP_037310	5
sodium channel, voltage- gated, type11, alpha polypeptide	Scn11a	Transporters and Channels	NP_062138	6
Sodium/hydrogen exchanger 2	SLC9A2	Transporters and channels	NP_036785	10a
solute carrier family 12 member 5	Slc12a5	Transporters and Channels	NP_599190	6
solute carrier family 14	Slc14a2	Transporters and Channels	NP_062220	8
solute carrier family 2, member 1	Slc2a1	Transporters and Channels	NP_620182	6
solute carrier family 25, member 4	SLC25A4	Transporters and channels	NP_445967	3, 4, 10c, 10b
solute carrier family 25, member 5	SLC25A5	Transporters and channels	NP_476443	3, 4, 5, 6, 10c, 10b
solute carrier family 5, member 1	Slc5a1	Transporters and Channels	NP_037165	6
solute carrier family 6, member 3	Slc6a3	Transporters and Channels	NP_036826	6
Sortilin	Sort1	Membrane Trafficking Proteins	XP_342318	5
Sphingosine 1- phosphate receptor Edg- 8	EDG8	Membrane receptors	NP_068543	10a
sphingosine phosphate lyase 1	Sgpl1	Metabolism Proteins (energy metabolism)	NP_775139	6
squalene epoxidase	Sqle	Steroid Metabolizing Enzymes	NP_058832	6
suppression of tumorigenicity 14	St14	Peptidases	XP_346822	8
Synaptic glycoprotein SC2	Gpsn2	Steroid Metabolizing Enzymes	NP_612558	6
synaptogyrin 2; cellugyrin	Syngr2	Membrane Trafficking Proteins	NP_446005	5
synaptotagmin 13	Syt13	Membrane Trafficking Proteins	NP_110466	5
synaptotagmin 15	Sytl5	Membrane Trafficking Proteins	NP_848016	6
syntaxin 12	Stx12	Membrane Trafficking Proteins	NP_075228	5
syntaxin 5a	Stx5a	Membrane Trafficking Proteins	NP_113892	5
Syntaxin 7	STX7	Membrane trafficking proteins	NP_068641	4, 5, 10c
Syntaxin 8	STX8	Membrane trafficking proteins	NP_113844	10a
T- cell surface glycoprotein CD1d precursor	CD1D	Adhesion proteins and collagens	NP_058775	10c
Thy- 1 membrane glycoprotein precursor	THY1	Adhesion proteins and collagens	NP_036805	10c
Transferrin receptor protein 1	Tfrc	Binding Protein	XP_341000	6
transforming growth factor, beta receptor 1	Tgfbr1	Signal Proteins	NP_036907	6
trans- golgi network protein 1	Tgoln2	Membrane Trafficking Proteins	NP_620195	6
transient receptor potential cation channel, subfamily M, member 8	Trpm8	Transporters and Channels	NP_599198	6
transmembrane 9 superfamily member 2	Tm9sf2	Miscellaneous	NP_001005554	6
Transmembrane emp24 domain containing protein 4 precursor	Tmed4	Membrane Trafficking Proteins	NP_598781	5
Transmembrane protease, serine 9	TMPRSS9	Metabolism proteins