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3I3S

Crystal Structure of H-Ras with Thr50 replaced by Isoleucine

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(R)
GTPase HRaspolymer16618887.21UniProt (P01112)
Pfam (PF00071)
Homo sapiens (human)Transforming protein p21, p21ras, H-Ras-1, c-H-ras, Ha-Ras, GTPase HRas, N-terminally processed
2B
(R)
PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTERnon-polymer522.21Chemie (GNP)
3C, E, F
(R)
MAGNESIUM IONnon-polymer24.33Chemie (MG)
4D
(R)
CALCIUM IONnon-polymer40.11Chemie (CA)
5G
(R)
waterwater18.0102Chemie (HOH)
Sequence modifications
R: 1 - 166 (UniProt: P01112)
PDBExternal DatabaseDetails
Ile 50Thr 50engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight18887.2
Non-Polymers*Number of molecules5
Total formula weight635.2
All*Total formula weight19522.4
*Water molecules are not included.

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PDB entries from 2025-12-24

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