6U38
PCSK9 in complex with a Fab and compound 8
External Resource: Annotation
- Domain Annotation: SCOP/SCOPe Classification
- Domain Annotation: SCOP2 Classification
- Domain Annotation: ECOD Classification
- Domain Annotation: CATH
- IMGT Antibody Annotation
- 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 | d6u38b1 | Alpha and beta proteins (a/b) | Subtilisin-like | Subtilisin-like | Subtilases | Proprotein convertase subtilisin/kexin type 9 | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
B | d6u38b2 | Small proteins | Resistin | Resistin | PCSK9 C-terminal domain-like | automated matches | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
D [auth L] | d6u38l1 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | V set domains (antibody variable domain-like) | automated matches | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
D [auth L] | d6u38l2 | All beta proteins | Immunoglobulin-like beta-sandwich | Immunoglobulin | C1 set domains (antibody constant domain-like) | automated matches | Human (Homo sapiens ) [TaxId: 9606 ], | SCOPe (2.08) |
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
Domain Annotation: ECOD Classification ECOD Database Homepage
Chains | Family Name | Domain Identifier | Architecture | Possible Homology | Homology | Topology | Family | Provenance Source (Version) |
---|---|---|---|---|---|---|---|---|
A | Inhibitor_I9 | e6u38A1 | A: a+b two layers | X: Alpha-beta plaits | H: Protease propeptides/inhibitors (From Topology) | T: Protease propeptides/inhibitors | F: Inhibitor_I9 | ECOD (1.6) |
B | PCSK9_C-CRD_2nd | e6u38B4 | A: beta duplicates or obligate multimers | X: Resistin (From Topology) | H: Resistin (From Topology) | T: Resistin | F: PCSK9_C-CRD_2nd | ECOD (1.6) |
B | PCSK9_C-CRD_1st | e6u38B3 | A: beta duplicates or obligate multimers | X: Resistin (From Topology) | H: Resistin (From Topology) | T: Resistin | F: PCSK9_C-CRD_1st | ECOD (1.6) |
B | PCSK9_C-CRD_3rd | e6u38B1 | A: beta duplicates or obligate multimers | X: Resistin (From Topology) | H: Resistin (From Topology) | T: Resistin | F: PCSK9_C-CRD_3rd | ECOD (1.6) |
B | Peptidase_S8 | e6u38B2 | A: a/b three-layered sandwiches | X: Subtilisin-like | H: Subtilisin-like (From Topology) | T: Subtilisin-like | F: Peptidase_S8 | ECOD (1.6) |
C [auth H] | V-set_8 | e6u38H1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set_8 | ECOD (1.6) |
C [auth H] | C1-set_1 | e6u38H2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_1 | ECOD (1.6) |
D [auth L] | C1-set_4 | e6u38L2 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: C1-set_4 | ECOD (1.6) |
D [auth L] | V-set | e6u38L1 | A: beta sandwiches | X: Immunoglobulin-like beta-sandwich | H: Immunoglobulin-related | T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like | F: V-set | ECOD (1.6) |
Domain Annotation: CATH CATH Database Homepage
Chain | Domain | Class | Architecture | Topology | Homology | Provenance Source (Version) |
---|---|---|---|---|---|---|
A | 3.30.70.80 | Alpha Beta | 2-Layer Sandwich | Alpha-Beta Plaits | Peptidase S8 propeptide/proteinase inhibitor I9 | CATH (utative) |
B | 3.40.50.200 | Alpha Beta | 3-Layer(aba) Sandwich | Rossmann fold | Peptidase S8/S53 domain | CATH (utative) |
B | 2.60.120.690 | Mainly Beta | Sandwich | Jelly Rolls | Proprotein convertase subtilisin/kexin type 9 | CATH (utative) |
C [auth H] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
D [auth L] | 2.60.40.10 | Mainly Beta | Sandwich | Immunoglobulin-like | Immunoglobulins | CATH (utative) |
IMGT Antibody Annotation IMGT Database Homepage
Chain | Protein Name | Description | Organism Name | Gene Allele Name(s) | Domain Name(s) | Receptor Type | Receptor Description | Provenance Source |
---|---|---|---|---|---|---|---|---|
C [auth H] | Antibody Fab Fragment | VH-CH1 | Homo sapiens (human) | IGHV3-23*01, IGHV3-23*02, IGHV3-23*03, IGHV3-23D*01, IGHJ4*01, IGHJ4*02, IGHJ4*03, IGHG1*01, IGHG1*02, IGHG1*04, IGHG1*05, IGHG1*12, IGHG1*14, IGHG1*13, IGHG1*09, IGHG1*10, IGHG1*07, IGHG1*11 | V-DOMAIN VH, C-DOMAIN CH1 | IG | FAB-GAMMA-1_KAPPA | IMGT (202436-0) |
D [auth L] | Antibody Fab Fragment | L-KAPPA | Homo sapiens (human) | IGKV3D-11*01, IGKV3D-11*02, IGKJ1*01, IGKC*01 | V-DOMAIN V-KAPPA, C-DOMAIN C-KAPPA | IG | FAB-GAMMA-1_KAPPA | IMGT (202436-0) |
SAbDab Antibody Annotation SAbDab Database Homepage
Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
---|---|---|---|---|---|
C [auth H] | Heavy Chain | IGHV3 | - | proprotein convertase subtilisin/kexin type 9 | SAbDab (2024-09-13) |
D [auth L] | Light Chain | IGKV3 | Kappa | proprotein convertase subtilisin/kexin type 9 | SAbDab (2024-09-13) |
Protein Family Annotation Pfam Database Homepage
Chains | Accession | Name | Description | Comments | Source |
---|---|---|---|---|---|
PF18463 | Proprotein convertase subtilisin-like/kexin type 9 C-terminal domain (PCSK9_C3) | Proprotein convertase subtilisin-like/kexin type 9 C-terminal domain | This entry represents a subdomain found in the C-terminal cysteine/histidine-rich domain (CRD) of PCSK9 (also known as neural apoptosis-regulated convertase, NARC-1) [1]. PCSK9 has been shown to regulate circulating LDL-R levels by controlling LDL-R ... | Domain | |
PF18464 | Proprotein convertase subtilisin-like/kexin type 9 C-terminal domain (PCSK9_C2) | Proprotein convertase subtilisin-like/kexin type 9 C-terminal domain | This entry represents a subdomain found in the C-terminal cysteine/histidine-rich domain (CRD) of PCSK9 (also known as neural apoptosis-regulated convertase, NARC-1) [1]. PCSK9 has been shown to regulate circulating LDL-R levels by controlling LDL-R ... | Domain | |
PF05922 | Peptidase inhibitor I9 (Inhibitor_I9) | Peptidase inhibitor I9 | This family includes the proteinase B inhibitor from Saccharomyces cerevisiae and the activation peptides from peptidases of the subtilisin family. The subtilisin propeptides are known to function as molecular chaperones, assisting in the folding of ... | Domain | |