2026-06-20_00000188|medium|9PV1

Biotin halogenase BtnX, anaerobic structure with Fe(II), biotin, alpha-ketoglutarate, chloride; X-ray diffraction 1.20Å
Protein #1 312 residues (99% resolved)

PHMEEHPFDNDFRVTPQHVEQFQRDGFVKLSGFFNPNVVRTLLNRVEVEMSRAPDNFKSEFSRLKYDFETEKTDIYELIAQPYFRKALTALVQKDLFLTFELCFELEKNVSKGFPWHVGVQSFGYQVADEFGCTIWAALHPVRKSGQRGGMAYVPERVVSGRFIYDQIEPAIISTLEAKEQAGEKTTMDDYFAMRSGILNSPTMGEILKNHQVEDDFEPGDVLVFNKYVVHRSIMLEDGPLPKRAAFVMRFVEDGSHYDLQRARNLEYPAEKYGHKAFTRSHMEIGLPDGALLTDSEYFTDRDKRFVRCDLA

PHMEEHPFDNDFRVTPQHVEQFQRDGFVKLSGFFNPNVVRTLLNRVEVEMSRAPDNFKSEFSRLKYDFETEKTDIYELIAQPYFRKALTALVQKDLFLTFELCFELEKNVSKGFPWHVGVQSFGYQVADEFGCTIWAALHPVRKSGQRGGMAYVPERVVSGRFIYDQIEPAIISTLEAKEQAGEKTTMDDYFAMRSGILNSPTMGEILKNHQVEDDFEPGDVLVFNKYVVHRSIMLEDGPLPKRAAFVMRFVEDGSHYDLQRARNLEYPAEKYGHKAFTRSHMEIGLPDGALLTDSEYFTDRDKRFVRCDLA
Non polymer #2 AKG

InChI=1S/C5H6O5/c6-3(5(9)10)1-2-4(7)8/h1-2H2,(H,7,8)(H,9,10)

C(CC(=O)O)C(=O)C(=O)O
Non polymer #3 BTN

InChI=1S/C10H16N2O3S/c13-8(14)4-2-1-3-7-9-6(5-16-7)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9-/m0/s1

C1[C@H]2[C@@H]([C@@H](S1)CCCCC(=O)O)NC(=O)N2
Non polymer #4 CL

InChI=1S/ClH/h1H/p-1

[Cl-]
Non polymer #5 EDO

InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

C(CO)O
Non polymer #6 FE2

InChI=1S/Fe/q+2

[Fe+2]
Non polymer #7 PEG

InChI=1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

C(COCCO)O
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Reference