Function and Biology

Crystal structure of full-length farnesylated and methylated KRAS4b in complex with PDE-delta (crystal form I - with partially disordered hypervariable region)

Source organism: Homo sapiens
Biochemical function: protein binding
Biological process: sensory perception of light stimulus
Cellular component: membrane

EC 3.6.5.2: Small monomeric GTPase

Reaction catalysed:
GTP + H(2)O = GDP + phosphate
Systematic name:
GTP phosphohydrolase (cell-regulating)

Sequence families

Pfam Protein families (Pfam)
PF05351
Domain description: GMP-PDE, delta subunit
Occurring in:
  1. Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
The deposited structure of PDB entry 5tb5 contains 2 copies of Pfam domain PF05351 (GMP-PDE, delta subunit) in Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta. Showing 1 copy in chain B.

PF00071
Domain description: Ras family
Occurring in:
  1. GTPase KRas
The deposited structure of PDB entry 5tb5 contains 2 copies of Pfam domain PF00071 (Ras family) in GTPase KRas. Showing 1 copy in chain A.

InterPro InterPro annotations
IPR001806
Domain description: Small GTPase
Occurring in:
  1. GTPase KRas
IPR027417
Domain description: P-loop containing nucleoside triphosphate hydrolase
Occurring in:
  1. GTPase KRas
IPR008015
Domain description: GMP phosphodiesterase, delta subunit
Occurring in:
  1. Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
IPR014756
Domain description: Immunoglobulin E-set
Occurring in:
  1. Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
IPR037036
Domain description: GMP phosphodiesterase, delta subunit superfamily
Occurring in:
  1. Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
IPR017287
Domain description: Retinal rod rhodopsin-sensitive cGMP 3', 5'-cyclic phosphodiesterase, delta subunit
Occurring in:
  1. Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
IPR020849
Domain description: Small GTPase, Ras-type
Occurring in:
  1. GTPase KRas
IPR005225
Domain description: Small GTP-binding protein domain
Occurring in:
  1. GTPase KRas

Structure domains

CATH CATH domains
2.70.50.40
Class: Mainly Beta
Architecture: Distorted Sandwich
Topology: Coagulation Factor XIII; Chain A, domain 1
Homology: GMP phosphodiesterase, delta subunit
Occurring in:
  1. Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta
The deposited structure of PDB entry 5tb5 contains 2 copies of CATH domain 2.70.50.40 (Coagulation Factor XIII; Chain A, domain 1) in Retinal rod rhodopsin-sensitive cGMP 3',5'-cyclic phosphodiesterase subunit delta. Showing 1 copy in chain B.
3.40.50.300
Class: Alpha Beta
Architecture: 3-Layer(aba) Sandwich
Topology: Rossmann fold
Homology: P-loop containing nucleotide triphosphate hydrolases
Occurring in:
  1. GTPase KRas
The deposited structure of PDB entry 5tb5 contains 2 copies of CATH domain 3.40.50.300 (Rossmann fold) in GTPase KRas. Showing 1 copy in chain A.