Annotations: 6XR0

Crystal Structure of Human Melanotransferrin in complex with SC57.32 Fab

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth L]	d6xr0l2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
B [auth L]	d6xr0l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth H]	d6xr0h1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)
A [auth H]	d6xr0h2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Mus musculus ) [TaxId: 10090 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C [auth M]	Ribosomal_L36	e6xr0M1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Ribosomal_L36	ECOD (v294.1)
B [auth L]	Ribosomal_L36	e6xr0L1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Ribosomal_L36	ECOD (v294.1)
A [auth H]	Ribosomal_L36	e6xr0H1	A: a/b three-layered sandwiches	X: CNF1/YfiH-like putative cysteine hydrolases	H: Bromodomain	T: Bromodomain	F: Ribosomal_L36	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C [auth M]	3.40.190.10	Alpha Beta	3-Layer(aba) Sandwich	D-Maltodextrin-Binding Protein	domain 2	CATH (utative)
B [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
A [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B [auth L]	Light Chain	IGKV10	Kappa	melanotransferrin	SAbDab (2026-04-24)
A [auth H]	Heavy Chain	IGHV1	-	melanotransferrin	SAbDab (2026-04-24)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C [auth M]	PF00405	Transferrin (Transferrin)	Transferrin		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth M]	Melanotransferrin	cation binding transition metal ion binding iron ion binding ion binding binding metal ion binding small molecule binding	localization transport iron ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport regulation of protein maturation positive regulation of protein maturation regulation of cellular process positive regulation of protein metabolic process positive regulation of biological process positive regulation of macromolecule biosynthetic process localization transport iron ion transport transition metal ion transport monoatomic ion transport monoatomic cation transport establishment of localization metal ion transport regulation of protein maturation positive regulation of protein maturation regulation of cellular process positive regulation of protein metabolic process positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of protein processing protein maturation regulation of primary metabolic process positive regulation of metabolic process positive regulation of plasminogen activation regulation of proteolysis positive regulation of biosynthetic process proteolysis regulation of plasminogen activation positive regulation of macromolecule metabolic process protein metabolic process plasminogen activation positive regulation of cellular process zymogen activation regulation of biosynthetic process regulation of biological process regulation of protein metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of proteolysis regulation of protein processing protein processing metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process regulation of cell-substrate adhesion regulation of cell adhesion regulation of substrate adhesion-dependent cell spreading negative regulation of biological process cell-substrate adhesion negative regulation of cell adhesion cell adhesion negative regulation of substrate adhesion-dependent cell spreading negative regulation of cellular process substrate adhesion-dependent cell spreading negative regulation of cell-substrate adhesion cellular component disassembly extracellular matrix disassembly regulation of cellular component organization positive regulation of cellular component organization positive regulation of extracellular matrix organization extracellular matrix organization positive regulation of extracellular matrix disassembly cellular component organization cellular component organization or biogenesis regulation of extracellular matrix organization regulation of extracellular matrix disassembly extracellular structure organization external encapsulating structure organization	membrane-bounded organelle intracellular anatomical structure early endosome endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle membrane membrane-bounded organelle intracellular anatomical structure early endosome endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle cytoplasm vesicle membrane side of membrane membrane-enclosed lumen intracellular organelle lumen endoplasmic reticulum lumen organelle lumen endoplasmic reticulum extracellular region recycling endosome extracellular exosome extracellular vesicle extracellular organelle extracellular membrane-bounded organelle cell surface cell periphery plasma membrane
B [auth L]	SC57.32 Fab Light Chain	-	-	-
A [auth H]	SC57.32 Fab Heavy Chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth M]	IPR016357	Transferrin	Family
C [auth M]	IPR001156	Transferrin-like domain	Domain
C [auth M]	IPR018195	Transferrin family, iron binding site	Binding Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
C [auth M]	: P08582	melanoma acne lung adenocarcinoma ovarian cancer psoriasis breast cancer malignant pancreatic neoplasm non-small cell lung carcinoma pancreatic ductal adenocarcinoma tuberculosis large cell medulloblastoma medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm

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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.