Tag Content
SG ID
SG00000435 
UniProt Accession
Theoretical PI
5.32  
Molecular Weight
73882 Da  
Genbank Nucleotide ID
Genbank Protein ID
Gene Name
MMP2 
Gene Synonyms/Alias
CLG4A 
Protein Name
72 kDa type IV collagenase PEX 
Protein Synonyms/Alias
EC=3.4.24.24 72 kDa gelatinase; Gelatinase A; Matrix metalloproteinase-2;MMP-2 TBE-1;Contains:Flags: Precursor 
Organism
Homo sapiens (Human) 
NCBI Taxonomy ID
9606 
Chromosome Location
chr:16;55512883-55540603;1
View in Ensembl genome browser  
Function in Stage
Function in Cell Type
Description
Matrix metalloproteinases (MMPs) are essential in regulating Sertoli cell TJ in the testis 
The information of related literatures
1. H. Chen, K. L. Fok, S. Yu, J. Jiang, Z. Chen, Y. Gui, Z. Cai and H. C. Chan (2011) CD147 is required for matrix metalloproteinases-2 production and germ cell migration during spermatogenesis. Mol Hum Reprod 17(7): 405-14. 

Abstract
Spermatogenesis is a highly programmed process that requires the degradation of the extracellular matrix and the remodeling of tight junctions (TJ) to facilitate differentiating germ cell migration. Matrix metalloproteinases (MMPs) are essential in regulating Sertoli cell TJ in the testis. CD147 is known to stimulate the production of MMPs in tumor metastasis and its knockout mice are infertile. However, the functional relationship between CD147 and MMPs in spermatogenesis has not been investigated. In the present study, we examined the expression profile of CD147 and MMPs during mouse testicular development by RT-PCR, western blot and immunofluorescence staining. We also examined CD147 involvement in the production of MMP-2 and the migration of germ cells (GC-1 and GC-2 cells) using CD147 antibody or synthetic microRNA mimics-mediated knockdown. The results showed that CD147 was present at all stages of testicular development from 7 to 56 days post-partum (dpp). CD147 expression was found to increase after 21 days from moderate levels in 7 and 14 days. Of the eight MMPs studied, MMP-2, MMP-7, MMP-9 and MMP-23 were detected to have changes in expression during testicular development, with MMP-2 showing the largest change. CD147 and MMP-2 were co-localized in spermatogonia, spermatocytes and round spermatids in mouse testis, while in human testis, they were co-localized in spermatocytes and round spermatids. MMP-2 expression and migration of GC-1 and GC-2 cells were reduced by interfering with CD147 expression and function in vitro. These data suggest that CD147 regulates migration of spermatogonia and spermatocytes via induction of MMP-2 production during spermatogenesis. PMID: [21343160] 

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Figures for illustrating the function of this protein/gene
Ref: H. Chen, K. L. Fok, S. Yu, J. Jiang, Z. Chen, Y. Gui, Z. Cai and H. C. Chan (2011) CD147 is required for matrix metalloproteinases-2 production and germ cell migration during spermatogenesis. Mol Hum Reprod 17(7): 405-14. PMID: [21343160]
Ref: H. Chen, K. L. Fok, S. Yu, J. Jiang, Z. Chen, Y. Gui, Z. Cai and H. C. Chan (2011) CD147 is required for matrix metalloproteinases-2 production and germ cell migration during spermatogenesis. Mol Hum Reprod 17(7): 405-14. PMID: [21343160]
Ref: H. Chen, K. L. Fok, S. Yu, J. Jiang, Z. Chen, Y. Gui, Z. Cai and H. C. Chan (2011) CD147 is required for matrix metalloproteinases-2 production and germ cell migration during spermatogenesis. Mol Hum Reprod 17(7): 405-14. PMID: [21343160]
Function
PEX, the C-terminal non-catalytic fragment of MMP2,posseses anti-angiogenic and anti-tumor properties and inhibitscell migration and cell adhesion to FGF2 and vitronectin. Ligandfor integrinv/beta3 on the surface of blood vessels. 
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Subcellular Location
Secreted, extracellular space, extracellularmatrix. Membrane. Nucleus. Note=Colocalizes with integrinalphaV/beta3 at the membrane surface in angiogenic blood vesselsand melanomas. Found in mitochondria, along microfibrils, and innuclei of cardiomyocytes. 
Tissue Specificity
Produced by normal skin fibroblasts. PEX isexpressed in a number of tumors including gliomas, breast andprostate. 
Gene Ontology
GO IDGO termEvidence
GO:0005615 C:extracellular space IDA:BHF-UCL.
GO:0016020 C:membrane IEA:UniProtKB-SubCell.
GO:0005634 C:nucleus IEA:UniProtKB-SubCell.
GO:0005578 C:proteinaceous extracellular matrix IEA:UniProtKB-SubCell.
GO:0004222 F:metalloendopeptidase activity TAS:ProtInc.
GO:0004252 F:serine-type endopeptidase activity TAS:Reactome.
GO:0008270 F:zinc ion binding TAS:ProtInc.
GO:0001525 P:angiogenesis IEA:UniProtKB-KW.
GO:0030574 P:collagen catabolic process IEA:UniProtKB-KW.
GO:0022617 P:extracellular matrix disassembly TAS:Reactome.
GO:0006508 P:proteolysis TAS:ProtInc.
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Interpro
IPR000562;    FN_type2_col-bd.
IPR000585;    Hemopexin/matrixin.
IPR018486;    Hemopexin/matrixin_CS.
IPR018487;    Hemopexin/matrixin_repeat.
IPR013806;    Kringle-like.
IPR024079;    MetalloPept_cat_dom.
IPR001818;    Pept_M10_metallopeptidase.
IPR021190;    Pept_M10A_matrixin.
IPR021158;    Pept_M10A_Zn_BS.
IPR006026;    Peptidase_Metallo.
IPR002477;    Peptidoglycan-bd-like.
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Pfam
PF00040;    fn2;    3.
PF00045;    Hemopexin;    4.
PF00413;    Peptidase_M10;    1.
PF01471;    PG_binding_1;    1.
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SMART
SM00059;    FN2;    3.
SM00120;    HX;    4.
SM00235;    ZnMc;    1.
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PROSITE
PS00546;    CYSTEINE_SWITCH;    1.
PS00023;    FN2_1;    3.
PS51092;    FN2_2;    3.
PS00024;    HEMOPEXIN;    1.
PS00142;    ZINC_PROTEASE;    1.
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PRINTS
PR00138;    MATRIXIN.;   
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Created Date
18-Oct-2012 
Record Type
Experiment identified 
Protein sequence Annotation
SIGNAL        1     29       Potential.
PROPEP       30    109       Activation peptide.
                             /FTId=PRO_0000028714.
CHAIN       110    660       72 kDa type IV collagenase.
                             /FTId=PRO_0000028715.
CHAIN       445    660       PEX.
                             /FTId=PRO_0000391626.
DOMAIN      228    276       Fibronectin type-II 1.
DOMAIN      286    334       Fibronectin type-II 2.
DOMAIN      344    392       Fibronectin type-II 3.
DOMAIN      475    518       Hemopexin-like 1.
DOMAIN      520    563       Hemopexin-like 2.
DOMAIN      568    615       Hemopexin-like 3.
DOMAIN      617    660       Hemopexin-like 4.
REGION      110    221       Collagenase-like 1.
REGION      222    396       Collagen-binding.
REGION      397    465       Collagenase-like 2.
REGION      414    660       Required for inhibitor TIMP2 binding.
MOTIF       100    107       Cysteine switch (By similarity).
ACT_SITE    404    404       By similarity.
METAL       102    102       Zinc 2; in inhibited form (By
                             similarity).
METAL       134    134       Calcium 1 (By similarity).
METAL       168    168       Calcium 2 (By similarity).
METAL       178    178       Zinc 1 (By similarity).
METAL       180    180       Zinc 1 (By similarity).
METAL       185    185       Calcium 3 (By similarity).
METAL       186    186       Calcium 3; via carbonyl oxygen (By
                             similarity).
METAL       193    193       Zinc 1 (By similarity).
METAL       200    200       Calcium 2; via carbonyl oxygen (By
                             similarity).
METAL       202    202       Calcium 2; via carbonyl oxygen (By
                             similarity).
METAL       204    204       Calcium 2 (By similarity).
METAL       206    206       Zinc 1 (By similarity).
METAL       208    208       Calcium 3 (By similarity).
METAL       209    209       Calcium 1 (By similarity).
METAL       211    211       Calcium 3 (By similarity).
METAL       403    403       Zinc 2; catalytic (By similarity).
METAL       407    407       Zinc 2; catalytic (By similarity).
METAL       413    413       Zinc 2; catalytic (By similarity).
METAL       476    476       Calcium 4; via carbonyl oxygen.
METAL       521    521       Calcium 4; via carbonyl oxygen.
METAL       569    569       Calcium 4; via carbonyl oxygen.
METAL       618    618       Calcium 4; via carbonyl oxygen.
CARBOHYD    573    573       N-linked (GlcNAc...) (Potential).
CARBOHYD    642    642       N-linked (GlcNAc...) (Potential).
DISULFID    233    259       By similarity.
DISULFID    247    274       By similarity.
DISULFID    291    317       By similarity.
DISULFID    305    332       By similarity.
DISULFID    349    375       By similarity.
DISULFID    363    390       By similarity.
DISULFID    469    660
VARIANT     101    101       R -> H (in TWS).
                             /FTId=VAR_032423.
VARIANT     210    210       D -> Y.
                             /FTId=VAR_032424.
VARIANT     228    228       A -> T (in a colorectal cancer sample;
                             somatic mutation).
                             /FTId=VAR_036136.
VARIANT     400    400       Missing (in TWS).
                             /FTId=VAR_054996.
VARIANT     404    404       E -> K (in TWS).
                             /FTId=VAR_032425.
VARIANT     447    447       A -> V (in dbSNP:rs17859943).
                             /FTId=VAR_020616.
VARIANT     498    498       T -> M (in a colorectal cancer sample;
                             somatic mutation).
                             /FTId=VAR_036137.
VARIANT     621    621       V -> L (in dbSNP:rs16955280).
                             /FTId=VAR_020617.
VARIANT     644    644       S -> I (in a colorectal cancer sample;
                             somatic mutation).
                             /FTId=VAR_036138.
CONFLICT    546    546       S -> G (in Ref. 3; BAG35588).
CONFLICT    618    618       D -> G (in Ref. 3; BAG35588).
HELIX        46     56
TURN         62     64
HELIX        67     80
STRAND       86     88
HELIX        91     97
STRAND      111    113
STRAND      120    128
STRAND      133    135
HELIX       137    152
STRAND      154    156
STRAND      158    161
STRAND      163    165
STRAND      168    174
STRAND      179    181
STRAND      186    189
STRAND      192    195
STRAND      197    199
TURN        200    203
STRAND      205    208
STRAND      209    211
STRAND      213    216
HELIX       226    228
STRAND      235    239
STRAND      242    246
STRAND      258    264
TURN        265    267
STRAND      271    273
TURN        277    279
TURN        284    288
STRAND      293    297
STRAND      300    304
STRAND      316    321
TURN        323    325
STRAND      329    331
STRAND      338    341
TURN        342    346
STRAND      351    355
STRAND      358    362
STRAND      369    371
STRAND      374    379
HELIX       381    384
STRAND      387    389
STRAND      394    396
HELIX       397    408
STRAND      422    424
HELIX       435    445
TURN        468    470
STRAND      476    481
STRAND      484    489
STRAND      492    498
STRAND      504    508
HELIX       509    511
STRAND      514    516
STRAND      521    526
TURN        527    530
STRAND      531    536
STRAND      539    544
STRAND      553    555
HELIX       556    559
TURN        563    566
STRAND      569    573
TURN        575    577
STRAND      580    584
STRAND      587    592
TURN        593    596
HELIX       606    609
STRAND      610    612
STRAND      618    622
TURN        624    626
STRAND      628    633
STRAND      636    641
STRAND      644    652
HELIX       653    656
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Nucleotide Sequence
Length: 911 bp   Go to nucleotide: FASTA
Protein Sequence
Length: 660 bp   Go to amino acid: FASTA
The verified Protein-Protein interaction information
UniProt
Gene Symbol Ref Databases
CLDN1HPRD 
_BioGRID 
BACE1HPRD 
CDIPTString 
CLDN1HPRD 
COL1A1BioGRID 
gmhBIntAct 
HSP90AA1HPRD 
ITGAVHPRD 
LAMC2DIP 
MAP1LC3BIntAct 
MMP14HPRD 
MMP17HPRD 
MMP25HPRD 
A2MHPRD 
COL6A3HPRD 
CCL7HPRD 
CDIPTString 
COL1A1HPRD 
COL6A3HPRD 
COL7A1HPRD 
COL18A1HPRD 
COL6A3HPRD 
EPHB2HPRD 
HAPLN1HPRD 
HSP90AA1IntAct 
IGFBP3HPRD 
IL1BHPRD 
KISS1HPRD 
LGALS3HPRD 
LCN2BioGRID 
BCANHPRD 
DCNHPRD 
_HPRD 
DKFZp686K04147HPRD 
DCNHPRD 
DKFZp686G02190BioGRID 
_HPRD 
TGFB1BioGRID 
TIMP2BioGRID 
TIMP3BioGRID 
TIMP4BioGRID 
THBS1BioGRID 
THBS2BioGRID 
LCN2HPRD 
OSBPL10BioGRID 
TIMP1HPRD 
DKFZp686G02190HPRD 
_HPRD 
MMP17HPRD 
_BioGRID 
SMARCA4IntAct 
SP1IntAct 
TGFB1HPRD 
SPOCK1HPRD 
TIMP1HPRD 
TIMP2HPRD 
TIMP3HPRD 
TIMP4HPRD 
THBS1HPRD 
THBS2HPRD 
USP12BioGRID 
Other Protein-Protein interaction resources
String database  
View Microarray data
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