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Crystal Structure of a FVIIa-Trypsin Chimera (YT) in Complex with Soluble Tissue Factor

Source organism: Homo sapiens
Biochemical function: calcium ion binding
Biological process: blood coagulation
Cellular component: membrane

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EC 3.4.21.21: Coagulation factor VIIa

Reaction catalysed:
Selective cleavage of Arg-|-Ile bond in factor X to form factor Xa.
Alternative Name(s):
  • Activated blood coagulation factor VII
  • Blood-coagulation factor VIIa

GO terms

Biochemical function:
Biological process:
Cellular component:

Sequence families

Pfam Protein families (Pfam)
PF09294
Domain description: Interferon-alpha/beta receptor, fibronectin type III
Occurring in:
  1. Tissue factor
The deposited structure of PDB entry 4z6a contains 1 copy of Pfam domain PF09294 (Interferon-alpha/beta receptor, fibronectin type III) in Tissue factor. Showing 1 copy in chain C [auth T].

PF01108
Domain description: Tissue factor
Occurring in:
  1. Tissue factor
The deposited structure of PDB entry 4z6a contains 1 copy of Pfam domain PF01108 (Tissue factor) in Tissue factor. Showing 1 copy in chain C [auth T].

PF14670
Domain description: Coagulation Factor Xa inhibitory site
Occurring in:
  1. Factor VII light chain
The deposited structure of PDB entry 4z6a contains 1 copy of Pfam domain PF14670 (Coagulation Factor Xa inhibitory site) in Factor VII light chain. Showing 1 copy in chain A [auth L].

PF00008
Domain description: EGF-like domain
Occurring in:
  1. Factor VII light chain
The deposited structure of PDB entry 4z6a contains 1 copy of Pfam domain PF00008 (EGF-like domain) in Factor VII light chain. Showing 1 copy in chain A [auth L].

PF00089
Domain description: Trypsin
Occurring in:
  1. Factor VII heavy chain
The deposited structure of PDB entry 4z6a contains 1 copy of Pfam domain PF00089 (Trypsin) in Factor VII heavy chain. Showing 1 copy in chain B [auth H].

InterPro InterPro annotations
IPR001187
Domain description: Tissue factor
Occurring in:
  1. Tissue factor
IPR000742
Domain description: EGF-like domain
Occurring in:
  1. Factor VII light chain
IPR001314
Domain description: Peptidase S1A, chymotrypsin family
Occurring in:
  1. Factor VII heavy chain
IPR001254
Domain description: Serine proteases, trypsin domain
Occurring in:
  1. Factor VII heavy chain
IPR036116
Domain description: Fibronectin type III superfamily
Occurring in:
  1. Tissue factor
IPR013783
Domain description: Immunoglobulin-like fold
Occurring in:
  1. Tissue factor
IPR043504
Domain description: Peptidase S1, PA clan, chymotrypsin-like fold
Occurring in:
  1. Factor VII heavy chain
IPR015373
Domain description: Interferon/interleukin receptor domain
Occurring in:
  1. Tissue factor
IPR030472
Domain description: Tissue factor, conserved site
Occurring in:
  1. Tissue factor
IPR003961
Domain description: Fibronectin type III
Occurring in:
  1. Tissue factor
IPR000152
Domain description: EGF-type aspartate/asparagine hydroxylation site
Occurring in:
  1. Factor VII light chain
IPR001881
Domain description: EGF-like calcium-binding domain
Occurring in:
  1. Factor VII light chain
IPR033116
Domain description: Serine proteases, trypsin family, serine active site
Occurring in:
  1. Factor VII heavy chain
IPR018114
Domain description: Serine proteases, trypsin family, histidine active site
Occurring in:
  1. Factor VII heavy chain
IPR009003
Domain description: Peptidase S1, PA clan
Occurring in:
  1. Factor VII heavy chain

Structure domains

CATH CATH domains
2.40.10.10
Class: Mainly Beta
Architecture: Beta Barrel
Topology: Thrombin, subunit H
Homology: Trypsin-like serine proteases
Occurring in:
  1. Factor VII heavy chain
The deposited structure of PDB entry 4z6a contains 2 copies of CATH domain 2.40.10.10 (Thrombin, subunit H) in Factor VII heavy chain. Showing 2 copies in chain B [auth H].
2.60.40.10
Class: Mainly Beta
Architecture: Sandwich
Topology: Immunoglobulin-like
Homology: Immunoglobulins
Occurring in:
  1. Tissue factor
The deposited structure of PDB entry 4z6a contains 2 copies of CATH domain 2.60.40.10 (Immunoglobulin-like) in Tissue factor. Showing 2 copies in chain C [auth T].
2.10.25.10
Class: Mainly Beta
Architecture: Ribbon
Topology: Laminin
Homology: Laminin
Occurring in:
  1. Factor VII light chain
The deposited structure of PDB entry 4z6a contains 2 copies of CATH domain 2.10.25.10 (Laminin) in Factor VII light chain. Showing 2 copies in chain A [auth L].

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