1XCG: Human RhoA

Crystal Structure of Human RhoA in complex with DH/PH fragment of PDZRHOGEF. Determined by X-ray diffraction at 2.5 Å resolution. Released 14 Dec 2004.

Method
X-ray diffraction
Resolution
2.5 Å
Organism
Homo sapiens
Chains
4
Atoms
8,750
Mol. weight
125.88 kDa
Released
14 Dec 2004

Explore 1XCG in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1XCG contains 58 α-helices and 33 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 19 helices, 9 β-strands

ElementResiduesLengthSheet
α-helix725-7273
α-helix730-75526
α-helix756-7616
α-helix762-7665
α-helix772-7787
α-helix782-80120
α-helix810-8178
α-helix819-83315
α-helix836-84914
α-helix851-86111
α-helix864-8663
α-helix871-8744
α-helix877-89418
α-helix901-93939
β-strand940-94121
α-helix943-9464
α-helix954-9585
α-helix961-9633
β-strand966-97491
β-strand983-98971
β-strand992-99871
β-strand1003-100421
β-strand1025-102731
α-helix1028-10303
β-strand1031-103551
β-strand1042-104761
β-strand1056-106051
α-helix1064-108017
Chain B: 9 helices, 6 β-strands
ElementResiduesLengthSheet
β-strand4-1182
α-helix18-2710
β-strand42-4872
β-strand51-5882
α-helix70-734
β-strand79-8572
α-helix89-946
α-helix95-995
α-helix100-1067
β-strand112-11762
α-helix119-1213
α-helix125-1339
α-helix141-15010
β-strand155-15842
α-helix167-17913
Chain E: 20 helices, 11 β-strands
ElementResiduesLengthSheet
α-helix716-7183
α-helix725-7273
α-helix730-75526
α-helix756-7616
α-helix762-7665
α-helix772-7787
α-helix782-80120
α-helix810-8178
α-helix820-83314
α-helix836-84914
α-helix851-86111
α-helix864-8663
α-helix871-8744
α-helix877-89418
α-helix901-93737
β-strand940-94123
α-helix951-9544
α-helix961-9633
β-strand966-977123
β-strand980-989103
β-strand992-99873
β-strand1003-100423
β-strand100814
β-strand102214
β-strand1025-102733
α-helix1028-10303
β-strand1031-103553
β-strand1042-104763
α-helix1053-10542
β-strand1055-106063
α-helix1064-108017
Chain F: 10 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand4-1185
α-helix18-269
β-strand42-4875
β-strand51-5885
α-helix70-734
β-strand79-8575
β-strand8815
α-helix89-946
α-helix95-995
α-helix100-1067
β-strand112-11765
α-helix119-1213
α-helix125-1328
α-helix138-1403
α-helix141-15010
β-strand155-15845
α-helix167-17913

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Rho guanine nucleotide exchange factor 11A, Eprotein368Homo sapiensO15085 (AlphaFold model)
Transforming protein RhoAB, Fprotein178Homo sapiensP61586 (AlphaFold model)
Sequence of entity 1 (A, E), FASTA
>1XCG_1 Rho guanine nucleotide exchange factor 11 (chains A, E)
QNWQHTVGKDVVAGLTQREIDRQEVINELFVTEASHLRTLRVLDLIFYQRMKKENLMPRE
ELARLFPNLPELIEIHNSWCEAMKKLREEGPIIKEISDLMLARFDGPAREELQQVAAQFC
SYQSIALELIKTKQRKESRFQLFMQEAESHPQCRRLQLRDLIISEMQRLTKYPLLLESII
KHTEGGTSEHEKLCRARDQCREILKYVNEAVKQTENRHRLEGYQKRLDATALERASNPLA
AEFKSLDLTTRKMIHEGPLTWRISKDKTLDLHVLLLEDLLVLLQKQDEKLLLKCHSKTAV
GSSDSKQTFSPVLKLNAVLIRSVATDKRAFFIICTSKLGPPQIYELVALTSSDKNTWMEL
LEEAVRNA
Sequence of entity 2 (B, F), FASTA
>1XCG_2 Transforming protein RhoA (chains B, F)
AIRKKLVIVGDGACGKTCLLIVNSKDQFPEVYVPTVFENYVADIEVDGKQVELALWDTAG
QEDYDRLRPLSYPDTDVILMCFSIDSPDSLENIPEKWTPEVKHFCPNVPIILVGNKKDLR
NDEHTRRELAKMKQEPVKPEEGRDMANRIGAFGYMECSAKTKDGVREVFEMATRAALQ

Primary citation

The crystal structure of RhoA in complex with the DH/PH fragment of PDZRhoGEF, an activator of the Ca(2+) sensitization pathway in smooth muscle. Derewenda, U., Oleksy, A., Stevenson, A.S. et al. Structure (2004) 12:1955-1965. DOI 10.1016/j.str.2004.09.003 · PubMed

Other PDB entries of the same protein (UniProt O15085 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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