Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4QCK

Crystal structure of 3-ketosteroid-9-alpha-hydroxylase (KshA) from M. tuberculosis in complex with 4-androstene-3,17-dione

Functional Information from GO Data
ChainGOidnamespacecontents
A0004497molecular_functionmonooxygenase activity
A0005506molecular_functioniron ion binding
A0006629biological_processlipid metabolic process
A0006694biological_processsteroid biosynthetic process
A0006707biological_processcholesterol catabolic process
A0008202biological_processsteroid metabolic process
A0008203biological_processcholesterol metabolic process
A0016042biological_processlipid catabolic process
A0016491molecular_functionoxidoreductase activity
A0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
A0036200molecular_function3-ketosteroid 9-alpha-monooxygenase activity
A0046872molecular_functionmetal ion binding
A0047086molecular_functionketosteroid monooxygenase activity
A0051536molecular_functioniron-sulfur cluster binding
A0051537molecular_function2 iron, 2 sulfur cluster binding
A0070207biological_processprotein homotrimerization
A0070723biological_processresponse to cholesterol
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE FE A 401
ChainResidue
AASN175
AHIS181
AHIS186
AASP304
AHOH628

site_idAC2
Number of Residues8
DetailsBINDING SITE FOR RESIDUE FES A 402
ChainResidue
ACYS86
APHE88
AHIS89
ATRP91
ACYS67
AHIS69
AMET70
AGLY72

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 A 403
ChainResidue
AARG21
ATYR22
AHIS130
AHIS132

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE ASD A 404
ChainResidue
AASN175
AVAL176
AHIS186
AGLN204
ALEU226
AALA230
AMET238
AASN240
AASN257
AGLY300
AASP304
AHOH509

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues102
DetailsDomain: {"description":"Rieske","evidences":[{"source":"PROSITE-ProRule","id":"PRU00628","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00628","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"19234303","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25049233","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"F1CMY8","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19234303","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25049233","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

247536

PDB entries from 2026-01-14

PDB statisticsPDBj update infoContact PDBjnumon