3NX0

Hinge-loop mutation can be used to control 3D domain swapping and amyloidogenesis of human cystatin C

Domain Annotation: SCOP Classification SCOP Database (version: 2.0) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A	d3nx0a_	Alpha and beta proteins (a+b)	Cystatin-like	Cystatin/monellin	Cystatins	Cystatin C	human (Homo sapiens ) [TaxId: 9606 ]
B	d3nx0b_	Alpha and beta proteins (a+b)	Cystatin-like	Cystatin/monellin	Cystatins	Cystatin C	human (Homo sapiens ) [TaxId: 9606 ]

Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,
B	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A, B	PF00031	Cystatin domain (Cystatin)	Cystatin domain	Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q1 ...	Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q10993 are found. Pfam:PF00666 are related to this family but have not been included.	Domain

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Cystatin-C	enzyme inhibitor activity endopeptidase inhibitor activity cysteine-type endopeptidase inhibitor activity enzyme regulator activity peptidase inhibitor activity peptidase regulator activity endopeptidase regulator activity molecular function regulator binding protein binding identical protein binding	metabolic process catabolic process negative regulation of metabolic process regulation of catabolic process negative regulation of catabolic process regulation of collagen catabolic process negative regulation of collagen catabolic process regulation of collagen metabolic process negative regulation of collagen metabolic process regulation of metabolic process collagen catabolic process collagen metabolic process negative regulation of biological process regulation of biological process biological regulation cellular process regulation of extracellular matrix disassembly negative regulation of extracellular matrix disassembly cellular component organization cellular component disassembly extracellular matrix disassembly extracellular matrix organization extracellular structure organization external encapsulating structure organization negative regulation of cellular process regulation of cellular process regulation of cellular component organization negative regulation of cellular component organization cellular component organization or biogenesis regulation of extracellular matrix organization negative regulation of extracellular matrix organization multicellular organismal process regulation of tissue remodeling tissue remodeling regulation of multicellular organismal process supramolecular fiber organization	intracellular anatomical structure cytoplasm endoplasmic reticulum endomembrane system organelle membrane-bounded organelle intracellular organelle intracellular membrane-bounded organelle cellular anatomical entity endoplasmic reticulum lumen membrane-enclosed lumen organelle lumen intracellular organelle lumen extracellular region extracellular space vesicle extracellular organelle extracellular exosome extracellular vesicle secretory granule cytoplasmic vesicle intracellular vesicle secretory vesicle ficolin-1-rich granule ficolin-1-rich granule lumen Golgi apparatus plasma membrane membrane cell periphery tertiary granule tertiary granule lumen

RCSB PDB is funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.