ID A0A3Q2ZK70_KRYMA Unreviewed; 613 AA.
AC A0A3Q2ZK70;
DT 10-APR-2019, integrated into UniProtKB/TrEMBL.
DT 10-APR-2019, sequence version 1.
DT 28-JAN-2026, entry version 34.
DE SubName: Full=Matrix metallopeptidase 16b (membrane-inserted) {ECO:0000313|Ensembl:ENSKMAP00000004026.1};
OS Kryptolebias marmoratus (Mangrove killifish) (Rivulus marmoratus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC Actinopterygii; Neopterygii; Teleostei; Neoteleostei; Acanthomorphata;
OC Ovalentaria; Atherinomorphae; Cyprinodontiformes; Rivulidae; Kryptolebias.
OX NCBI_TaxID=37003 {ECO:0000313|Ensembl:ENSKMAP00000004026.1, ECO:0000313|Proteomes:UP000264800};
RN [1] {ECO:0000313|Ensembl:ENSKMAP00000004026.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (AUG-2025) to UniProtKB.
RN [2] {ECO:0000313|Ensembl:ENSKMAP00000004026.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2025) to UniProtKB.
CC -!- COFACTOR:
CC Name=Ca(2+); Xref=ChEBI:CHEBI:29108;
CC Evidence={ECO:0000256|PIRSR:PIRSR621190-2};
CC Note=Can bind about 5 Ca(2+) ions per subunit.
CC {ECO:0000256|PIRSR:PIRSR621190-2};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|PIRSR:PIRSR621190-2};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|PIRSR:PIRSR621190-
CC 2};
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004479}; Single-
CC pass type I membrane protein {ECO:0000256|ARBA:ARBA00004479}.
CC -!- SIMILARITY: Belongs to the peptidase M10A family.
CC {ECO:0000256|ARBA:ARBA00010370}.
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DR RefSeq; XP_017281570.1; XM_017426081.1.
DR AlphaFoldDB; A0A3Q2ZK70; -.
DR STRING; 37003.ENSKMAP00000004026; -.
DR Ensembl; ENSKMAT00000004104.1; ENSKMAP00000004026.1; ENSKMAG00000003052.1.
DR GeneID; 108241715; -.
DR KEGG; kmr:108241715; -.
DR CTD; 572034; -.
DR GeneTree; ENSGT00940000157532; -.
DR OMA; HFNVEGW; -.
DR OrthoDB; 406838at2759; -.
DR Proteomes; UP000264800; Unplaced.
DR GO; GO:0031012; C:extracellular matrix; IEA:InterPro.
DR GO; GO:0005615; C:extracellular space; IEA:TreeGrafter.
DR GO; GO:0005886; C:plasma membrane; IEA:TreeGrafter.
DR GO; GO:0004222; F:metalloendopeptidase activity; IEA:InterPro.
DR GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR GO; GO:0030574; P:collagen catabolic process; IEA:TreeGrafter.
DR GO; GO:0030198; P:extracellular matrix organization; IEA:TreeGrafter.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR GO; GO:0001501; P:skeletal system development; IEA:TreeGrafter.
DR CDD; cd00094; HX; 1.
DR CDD; cd04278; ZnMc_MMP; 1.
DR FunFam; 3.40.390.10:FF:000005; Matrix metallopeptidase 16; 1.
DR FunFam; 2.110.10.10:FF:000001; Matrix metallopeptidase 24; 1.
DR Gene3D; 3.40.390.10; Collagenase (Catalytic Domain); 1.
DR Gene3D; 2.110.10.10; Hemopexin-like domain; 1.
DR InterPro; IPR000585; Hemopexin-like_dom.
DR InterPro; IPR036375; Hemopexin-like_dom_sf.
DR InterPro; IPR018487; Hemopexin-like_repeat.
DR InterPro; IPR018486; Hemopexin_CS.
DR InterPro; IPR033739; M10A_MMP.
DR InterPro; IPR024079; MetalloPept_cat_dom_sf.
DR InterPro; IPR001818; Pept_M10_metallopeptidase.
DR InterPro; IPR021190; Pept_M10A.
DR InterPro; IPR021805; Pept_M10A_metallopeptidase_C.
DR InterPro; IPR021158; Pept_M10A_Zn_BS.
DR InterPro; IPR006026; Peptidase_Metallo.
DR InterPro; IPR002477; Peptidoglycan-bd-like.
DR InterPro; IPR036365; PGBD-like_sf.
DR PANTHER; PTHR10201:SF327; MATRIX METALLOPEPTIDASE 16B (MEMBRANE-INSERTED); 1.
DR PANTHER; PTHR10201; MATRIX METALLOPROTEINASE; 1.
DR Pfam; PF11857; DUF3377; 1.
DR Pfam; PF00045; Hemopexin; 4.
DR Pfam; PF00413; Peptidase_M10; 1.
DR Pfam; PF01471; PG_binding_1; 1.
DR PIRSF; PIRSF001191; Peptidase_M10A_matrix; 1.
DR PRINTS; PR00138; MATRIXIN.
DR SMART; SM00120; HX; 4.
DR SMART; SM00235; ZnMc; 1.
DR SUPFAM; SSF50923; Hemopexin-like domain; 1.
DR SUPFAM; SSF55486; Metalloproteases ('zincins'), catalytic domain; 1.
DR SUPFAM; SSF47090; PGBD-like; 1.
DR PROSITE; PS00546; CYSTEINE_SWITCH; 1.
DR PROSITE; PS00024; HEMOPEXIN; 1.
DR PROSITE; PS51642; HEMOPEXIN_2; 4.
PE 3: Inferred from homology;
KW Calcium {ECO:0000256|ARBA:ARBA00022837, ECO:0000256|PIRSR:PIRSR621190-2};
KW Cleavage on pair of basic residues {ECO:0000256|ARBA:ARBA00022685};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR001191-2};
KW Metalloprotease {ECO:0000256|ARBA:ARBA00023049};
KW Protease {ECO:0000256|ARBA:ARBA00022670};
KW Reference proteome {ECO:0000313|Proteomes:UP000264800};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Signal {ECO:0000256|ARBA:ARBA00022729, ECO:0000256|SAM:SignalP};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRSR:PIRSR001191-2};
KW Zymogen {ECO:0000256|ARBA:ARBA00023145}.
FT SIGNAL 1..32
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 33..613
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5018596930"
FT TRANSMEM 570..591
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 118..287
FT /note="Peptidase metallopeptidase"
FT /evidence="ECO:0000259|SMART:SM00235"
FT REPEAT 337..385
FT /note="Hemopexin"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01011"
FT REPEAT 386..431
FT /note="Hemopexin"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01011"
FT REPEAT 433..480
FT /note="Hemopexin"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01011"
FT REPEAT 481..529
FT /note="Hemopexin"
FT /evidence="ECO:0000256|PROSITE-ProRule:PRU01011"
FT REGION 279..338
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 289..311
FT /note="Pro residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 242
FT /evidence="ECO:0000256|PIRSR:PIRSR001191-1"
FT BINDING 98
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /note="in inhibited form"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 178
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 188
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 190
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 195
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 196
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 203
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 212
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 214
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 216
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 218
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 221
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 221
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="3"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 241
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR001191-2"
FT BINDING 245
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR001191-2"
FT BINDING 251
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR001191-2"
FT BINDING 259
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 390
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="4"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT BINDING 439
FT /ligand="Ca(2+)"
FT /ligand_id="ChEBI:CHEBI:29108"
FT /ligand_label="5"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-2"
FT MOD_RES 420
FT /note="Phosphotyrosine; by PKDCC"
FT /evidence="ECO:0000256|PIRSR:PIRSR621190-4"
SQ SEQUENCE 613 AA; 70130 MW; 1CAB5425499FB4C9 CRC64;
MTLVSASKRK APDYLYAAAF CLHLLLWISV SGEEHHQFSV EEWLQKYGYL HHTEPGMSVL
RSAKTMHSAI AAMQRIYGLN VTGTLDKTTK DWMERPRCGV PDKLKSVTRS RRRRFALTGQ
KWQRTHITYS IKNITPKVGS RETHDAIRRA FDVWQGVTPL RFEAVPFSAL ETGRRDVDIT
IIFASGFHGD SSPFDGEGGF LAHAYFPGPG IGGDTHFDSD EPWTLGNPNH DGNDLFLVAV
HELGHALGLE HSSDPTAIMA PFYQYMDTEN FKLPHDDLQG IQKIYGPPDK APQPTRPPPT
VPPPRFHPPS DPQKQDRHAR PHRPPQGAKP SNPNAKPNIC DGGFNTLAIL RQELFVFKDQ
WFWRVRDNSV VPGYPMQINY FWKGLPSKID AVYENSEGKF VFFKGNRFWV FKDTTLQPSY
PQDISLFGSG MQTESIETAV WWEDVSKTYF FKGDRYWRYN EDMRTMDPGY PKSITVWKGI
PDSPQGAFVD KANGFTYFYK GKEYWKFNNL LLRVEPGYPR SILRDFMGCD CLPADPDWDW
SLPVAEERHY DTGDVDVVMK PDSAGGTEKA VAIAIPCVLA LCMMVLLYTV FQFRRKSTQR
HILYCKRSMQ EWV
//
