Annotations: 6MAA

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	La	e6maaA1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: La	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	WAP, Kazal, immunoglobulin, Kunitz and NTR domain-containing protein 2	transforming growth factor beta binding protein binding binding growth factor binding cytokine binding molecular function inhibitor activity molecular function regulator activity signaling receptor inhibitor activity receptor antagonist activity signaling receptor regulator activity enzyme regulator activity peptidase regulator activity serine-type endopeptidase inhibitor activity enzyme inhibitor activity transforming growth factor beta binding protein binding binding growth factor binding cytokine binding molecular function inhibitor activity molecular function regulator activity signaling receptor inhibitor activity receptor antagonist activity signaling receptor regulator activity enzyme regulator activity peptidase regulator activity serine-type endopeptidase inhibitor activity enzyme inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity	developmental process multicellular organism development multicellular organismal process skeletal system development anatomical structure development system development cellular response to stimulus negative regulation of transforming growth factor beta receptor signaling pathway regulation of cellular process cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus response to stimulus negative regulation of signaling signaling developmental process multicellular organism development multicellular organismal process skeletal system development anatomical structure development system development cellular response to stimulus negative regulation of transforming growth factor beta receptor signaling pathway regulation of cellular process cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus response to stimulus negative regulation of signaling signaling cellular response to transforming growth factor beta stimulus regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of biological process regulation of signal transduction negative regulation of cell communication cell communication regulation of transforming growth factor beta receptor signaling pathway cellular response to endogenous stimulus negative regulation of cellular process signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling regulation of biological process cell surface receptor signaling pathway negative regulation of response to stimulus regulation of cellular response to transforming growth factor beta stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus biological regulation negative regulation of signal transduction response to transforming growth factor beta regulation of response to stimulus transforming growth factor beta receptor signaling pathway regulation of cell communication cellular process response to growth factor transforming growth factor beta receptor superfamily signaling pathway negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway muscle structure development muscle cell development cellular developmental process cell differentiation cell development muscle cell differentiation roof of mouth development	cellular anatomical structure extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR003598	Immunoglobulin subtype 2	Domain
A	IPR036058	Kazal domain superfamily	Homologous Superfamily
A	IPR002223	Pancreatic trypsin inhibitor Kunitz domain	Domain
A	IPR003599	Immunoglobulin domain subtype	Domain
A	IPR002350	Kazal domain	Domain
A	IPR013098	Immunoglobulin I-set	Domain
A	IPR018933	Netrin module, non-TIMP type	Domain
A	IPR001134	Netrin domain	Domain
A	IPR008993	Tissue inhibitor of metalloproteinases-like, OB-fold	Homologous Superfamily
A	IPR020901	Proteinase inhibitor I2, Kunitz, conserved site	Conserved Site
A	IPR036645	Elafin-like superfamily	Homologous Superfamily
A	IPR036880	Pancreatic trypsin inhibitor Kunitz domain superfamily	Homologous Superfamily
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR033638	WFIKKN1/2, immunoglobulin-like domain 3	Domain
A	IPR008197	WAP-type 'four-disulfide core' domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.