Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyMetalloproteases (zincins) catalytic domain8032522 3001975 SCOP2B (2022-06-29)
BSCOP2B SuperfamilyMetalloproteases (zincins) catalytic domain8032522 3001975 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APF14521e1ge7A1 A: mixed a+b and a/bX: Zincin-likeH: Metalloproteases (zincins) catalytic domain (From Topology)T: Metalloproteases (zincins) catalytic domainF: PF14521ECOD (1.6)
BPF14521e1ge7B1 A: mixed a+b and a/bX: Zincin-likeH: Metalloproteases (zincins) catalytic domain (From Topology)T: Metalloproteases (zincins) catalytic domainF: PF14521ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.40.390.10 Alpha Beta 3-Layer(aba) Sandwich Collagenase (Catalytic Domain) Collagenase (Catalytic Domain)CATH (4.3.0)
B3.40.390.10 Alpha Beta 3-Layer(aba) Sandwich Collagenase (Catalytic Domain) Collagenase (Catalytic Domain)CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
A, B
PF14521Lysine-specific metallo-endopeptidase (Aspzincin_M35)Lysine-specific metallo-endopeptidaseThis is the catalytic region of aspzincins, a group of lysine-specific metallo-endopeptidases in the MEROPS:M35 family. They exhibit the following active-site architecture. The active site is composed of two helices and a loop region and includes the ...This is the catalytic region of aspzincins, a group of lysine-specific metallo-endopeptidases in the MEROPS:M35 family. They exhibit the following active-site architecture. The active site is composed of two helices and a loop region and includes the HExxH and GTxDxxYG motifs. In UniProt:P81054, His117, His121 and Asp130 coordinate to the catalytic zinc ligands. An electrostatically negative region composed of Asp154 and Glu157 attracts a positively charged Lys side chain of a substrate in a specific manner [4].
Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
peptidyl-Lys metalloendopeptidase  M-CSA #786

Metalloendopeptidases such as the zinc endopeptidases often have the potential for tissue destruction or pathogenic bacterial infections and so are targets for drug design.

Defined by 5 residues: HIS:A-117GLU:A-118HIS:A-121ASP:A-130TYR:A-133
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