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1.A.112.1.4
Metal transporter CNNM4 (Ancient conserved domain-containing protein 4) (Cyclin-M4).  As of 2018, the function of this protein as a Mg2+ transporter was under debate (Schäffers et al. 2018).

Accession Number:Q6P4Q7
Protein Name:Metal transporter CNNM4
Length:775
Molecular Weight:86607.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:5
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate

Cross database links:

Entrez Gene ID: 26504   
Pfam: PF00571    PF01595   
KEGG: hsa:26504   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005886 C:plasma membrane
GO:0031214 P:biomineral tissue development
GO:0006811 P:ion transport
GO:0050896 P:response to stimulus
GO:0007601 P:visual perception

References (11)

[1] “Generation and annotation of the DNA sequences of human chromosomes 2 and 4.”  Hillier L.W.et.al.   15815621
[2] “The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).”  The MGC Project Teamet.al.   15489334
[3] “Molecular cloning and characterization of a novel gene family of four ancient conserved domain proteins (ACDP).”  Wang C.-Y.et.al.   12657465
[4] “Prediction of the coding sequences of unidentified human genes. XVIII. The complete sequences of 100 new cDNA clones from brain which code for large proteins in vitro.”  Nagase T.et.al.   10997877
[5] “Complete sequencing and characterization of 21,243 full-length human cDNAs.”  Ota T.et.al.   14702039
[6] “Physical interaction and functional coupling between ACDP4 and the intracellular ion chaperone COX11, an implication of the role of ACDP4 in essential metal ion transport and homeostasis.”  Guo D.et.al.   15840172
[7] “Combining protein-based IMAC, peptide-based IMAC, and MudPIT for efficient phosphoproteomic analysis.”  Cantin G.T.et.al.   18220336
[8] “Membrane topology and intracellular processing of Cyclin M2 (CNNM2).”  de Baaij J.H.et.al.   22399287
[9] “The consensus coding sequences of human breast and colorectal cancers.”  Sjoeblom T.et.al.   16959974
[10] “Mutations in CNNM4 cause recessive cone-rod dystrophy with amelogenesis imperfecta.”  Polok B.et.al.   19200527
[11] “Mutations in CNNM4 cause Jalili syndrome, consisting of autosomal-recessive cone-rod dystrophy and amelogenesis imperfecta.”  Parry D.A.et.al.   19200525
Structure:
4IY3   6G52   6RS2     

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MAPVGGGGRP VGGPARGRLL LAAPVLLVLL WALGARGQGS PQQGTIVGMR LASCNKSCGT 
61:	NPDGIIFVSE GSTVNLRLYG YSLGNISSNL ISFTEVDDAE TLHKSTSCLE LTKDLVVQQL 
121:	VNVSRGNTSG VLVVLTKFLR RSESMKLYAL CTRAQPDGPW LKWTDKDSLL FMVEEPGRFL 
181:	PLWLHILLIT VLLVLSGIFS GLNLGLMALD PMELRIVQNC GTEKERRYAR KIEPIRRKGN 
241:	YLLCSLLLGN VLVNTSLTIL LDNLIGSGLM AVASSTIGIV IFGEILPQAL CSRHGLAVGA 
301:	NTILLTKFFM LLTFPLSFPI SKLLDFFLGQ EIRTVYNREK LMEMLKVTEP YNDLVKEELN 
361:	MIQGALELRT KTVEDIMTQL QDCFMIRSDA ILDFNTMSEI MESGYTRIPV FEDEQSNIVD 
421:	ILYVKDLAFV DPDDCTPLKT ITRFYNHPVH FVFHDTKLDA MLEEFKKGKS HLAIVQKVNN 
481:	EGEGDPFYEV LGLVTLEDVI EEIIKSEILD ESDMYTDNRS RKRVSEKNKR DFSAFKDADN 
541:	ELKVKISPQL LLAAHRFLAT EVSQFSPSLI SEKILLRLLK YPDVIQELKF DEHNKYYARH 
601:	YLYTRNKPAD YFILILQGKV EVEAGKENMK FETGAFSYYG TMALTSVPSD RSPAHPTPLS 
661:	RSASLSYPDR TDVSTAATLA GSSNQFGSSV LGQYISDFSV RALVDLQYIK ITRQQYQNGL 
721:	LASRMENSPQ FPIDGCTTHM ENLAEKSELP VVDETTTLLN ERNSLLHKAS HENAI