9O4D | pdb_00009o4d

GutD in complex with guanine and cWW

PDB DOI: https://doi.org/10.2210/pdb9O4D/pdb

Classification: BIOSYNTHETIC PROTEIN
Organism(s): Streptomyces purpureus
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2025-04-08 Released: 2026-04-22
Deposition Author(s): Gering, H.E., Makris, T.M., Phan, H.N.
Funding Organization(s): National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.30 Å
R-Value Free:
0.239 (Depositor), 0.240 (DCC)
R-Value Work:
0.199 (Depositor), 0.200 (DCC)
R-Value Observed:
0.201 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.0 of the entry. See complete history.

Literature

Alternative Oxidative Pathways for Guanitrypmycin Assembly

Gering, H.E., Karandikar, S., Phan, H.N., Chang, W., Makris, T.M.

To be published.

Macromolecule Content

Total Structure Weight: 97.51 kDa
Atom Count: 6,978
Modeled Residue Count: 788
Deposited Residue Count: 828
Unique protein chains: 1

Macromolecules

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| 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cytochrome P450 121	A, B	414	Streptomyces purpureus	Mutation(s): 0 Gene Names: cyp121, GCM10014713_29760
UniProt
Find proteins for A0A918H2T3 (Streptomyces purpureus) Explore A0A918H2T3 Go to UniProtKB: A0A918H2T3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	A0A918H2T3
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 7 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
HEM Query on HEM Download:Ideal Coordinates CCD File SDF format, chain MB [auth B] SDF format, chain C [auth A] MOL2 format, chain MB [auth B] MOL2 format, chain C [auth A] mmCIF format, chain MB [auth B] mmCIF format, chain C [auth A]	C [auth A], MB [auth B]	PROTOPORPHYRIN IX CONTAINING FE C₃₄ H₃₂ Fe N₄ O₄ KABFMIBPWCXCRK-RGGAHWMASA-L		Interactions Focus chain C [auth A] Focus chain MB [auth B] Interactions & Density Focus chain C [auth A] Focus chain MB [auth B]
UYM (Subject of Investigation/LOI) Query on UYM Download:Ideal Coordinates CCD File SDF format, chain Y [auth A] SDF format, chain OA [auth B] MOL2 format, chain Y [auth A] MOL2 format, chain OA [auth B] mmCIF format, chain Y [auth A] mmCIF format, chain OA [auth B]	OA [auth B], Y [auth A]	(3S,6S)-3,6-bis[(1H-indol-3-yl)methyl]piperazine-2,5-dione C₂₂ H₂₀ N₄ O₂ DNHODRZUCGXYKU-PMACEKPBSA-N		Interactions Focus chain OA [auth B] Focus chain Y [auth A] Interactions & Density Focus chain OA [auth B] Focus chain Y [auth A]
GUN (Subject of Investigation/LOI) Query on GUN Download:Ideal Coordinates CCD File SDF format, chain PA [auth B] SDF format, chain D [auth A] MOL2 format, chain PA [auth B] MOL2 format, chain D [auth A] mmCIF format, chain PA [auth B] mmCIF format, chain D [auth A]	D [auth A], PA [auth B]	GUANINE C₅ H₅ N₅ O UYTPUPDQBNUYGX-UHFFFAOYSA-N		Interactions Focus chain D [auth A] Focus chain PA [auth B] Interactions & Density Focus chain D [auth A] Focus chain PA [auth B]
PEG Query on PEG Download:Ideal Coordinates CCD File SDF format, chain AB [auth B] SDF format, chain CB [auth B] SDF format, chain DB [auth B] SDF format, chain R [auth A] SDF format, chain ZA [auth B] SDF format, chain Q [auth A] SDF format, chain HA [auth A] SDF format, chain FB [auth B] SDF format, chain EB [auth B] MOL2 format, chain AB [auth B] MOL2 format, chain CB [auth B] MOL2 format, chain DB [auth B] MOL2 format, chain R [auth A] MOL2 format, chain ZA [auth B] MOL2 format, chain Q [auth A] MOL2 format, chain HA [auth A] MOL2 format, chain FB [auth B] MOL2 format, chain EB [auth B] mmCIF format, chain AB [auth B] mmCIF format, chain CB [auth B] mmCIF format, chain DB [auth B] mmCIF format, chain R [auth A] mmCIF format, chain ZA [auth B] mmCIF format, chain Q [auth A] mmCIF format, chain HA [auth A] mmCIF format, chain FB [auth B] mmCIF format, chain EB [auth B]	AB [auth B] CB [auth B] DB [auth B] EB [auth B] FB [auth B] AB [auth B], CB [auth B], DB [auth B], EB [auth B], FB [auth B], HA [auth A], Q [auth A], R [auth A], ZA [auth B]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain AB [auth B] Focus chain CB [auth B] Focus chain DB [auth B] Focus chain EB [auth B] Focus chain FB [auth B] Focus chain HA [auth A] Focus chain Q [auth A] Focus chain R [auth A] Focus chain ZA [auth B] Interactions & Density Focus chain AB [auth B] Focus chain CB [auth B] Focus chain DB [auth B] Focus chain EB [auth B] Focus chain FB [auth B] Focus chain HA [auth A] Focus chain Q [auth A] Focus chain R [auth A] Focus chain ZA [auth B]
EDO Query on EDO Download:Ideal Coordinates CCD File SDF format, chain BA [auth A] SDF format, chain BB [auth B] SDF format, chain CA [auth A] SDF format, chain EA [auth A] SDF format, chain GA [auth A] SDF format, chain H [auth A] SDF format, chain IA [auth A] SDF format, chain J [auth A] SDF format, chain NB [auth B] SDF format, chain O [auth A] SDF format, chain OB [auth B] SDF format, chain P [auth A] SDF format, chain PB [auth B] SDF format, chain QA [auth B] SDF format, chain QB [auth B] SDF format, chain SA [auth B] SDF format, chain T [auth A] SDF format, chain TA [auth B] SDF format, chain UA [auth B] SDF format, chain V [auth A] SDF format, chain VA [auth B] SDF format, chain W [auth A] SDF format, chain XA [auth B] SDF format, chain YA [auth B] SDF format, chain Z [auth A] SDF format, chain X [auth A] SDF format, chain WA [auth B] SDF format, chain U [auth A] SDF format, chain S [auth A] SDF format, chain RA [auth B] SDF format, chain NA [auth B] SDF format, chain N [auth A] SDF format, chain M [auth A] SDF format, chain LB [auth B] SDF format, chain L [auth A] SDF format, chain KB [auth B] SDF format, chain K [auth A] SDF format, chain JB [auth B] SDF format, chain IB [auth B] SDF format, chain I [auth A] SDF format, chain HB [auth B] SDF format, chain GB [auth B] SDF format, chain G [auth A] SDF format, chain FA [auth A] SDF format, chain F [auth A] SDF format, chain E [auth A] SDF format, chain DA [auth A] SDF format, chain AA [auth A] MOL2 format, chain BA [auth A] MOL2 format, chain BB [auth B] MOL2 format, chain CA [auth A] MOL2 format, chain EA [auth A] MOL2 format, chain GA [auth A] MOL2 format, chain H [auth A] MOL2 format, chain IA [auth A] MOL2 format, chain J [auth A] MOL2 format, chain NB [auth B] MOL2 format, chain O [auth A] MOL2 format, chain OB [auth B] MOL2 format, chain P [auth A] MOL2 format, chain PB [auth B] MOL2 format, chain QA [auth B] MOL2 format, chain QB [auth B] MOL2 format, chain SA [auth B] MOL2 format, chain T [auth A] MOL2 format, chain TA [auth B] MOL2 format, chain UA [auth B] MOL2 format, chain V [auth A] MOL2 format, chain VA [auth B] MOL2 format, chain W [auth A] MOL2 format, chain XA [auth B] MOL2 format, chain YA [auth B] MOL2 format, chain Z [auth A] MOL2 format, chain X [auth A] MOL2 format, chain WA [auth B] MOL2 format, chain U [auth A] MOL2 format, chain S [auth A] MOL2 format, chain RA [auth B] MOL2 format, chain NA [auth B] MOL2 format, chain N [auth A] MOL2 format, chain M [auth A] MOL2 format, chain LB [auth B] MOL2 format, chain L [auth A] MOL2 format, chain KB [auth B] MOL2 format, chain K [auth A] MOL2 format, chain JB [auth B] MOL2 format, chain IB [auth B] MOL2 format, chain I [auth A] MOL2 format, chain HB [auth B] MOL2 format, chain GB [auth B] MOL2 format, chain G [auth A] MOL2 format, chain FA [auth A] MOL2 format, chain F [auth A] MOL2 format, chain E [auth A] MOL2 format, chain DA [auth A] MOL2 format, chain AA [auth A] mmCIF format, chain BA [auth A] mmCIF format, chain BB [auth B] mmCIF format, chain CA [auth A] mmCIF format, chain EA [auth A] mmCIF format, chain GA [auth A] mmCIF format, chain H [auth A] mmCIF format, chain IA [auth A] mmCIF format, chain J [auth A] mmCIF format, chain NB [auth B] mmCIF format, chain O [auth A] mmCIF format, chain OB [auth B] mmCIF format, chain P [auth A] mmCIF format, chain PB [auth B] mmCIF format, chain QA [auth B] mmCIF format, chain QB [auth B] mmCIF format, chain SA [auth B] mmCIF format, chain T [auth A] mmCIF format, chain TA [auth B] mmCIF format, chain UA [auth B] mmCIF format, chain V [auth A] mmCIF format, chain VA [auth B] mmCIF format, chain W [auth A] mmCIF format, chain XA [auth B] mmCIF format, chain YA [auth B] mmCIF format, chain Z [auth A] mmCIF format, chain X [auth A] mmCIF format, chain WA [auth B] mmCIF format, chain U [auth A] mmCIF format, chain S [auth A] mmCIF format, chain RA [auth B] mmCIF format, chain NA [auth B] mmCIF format, chain N [auth A] mmCIF format, chain M [auth A] mmCIF format, chain LB [auth B] mmCIF format, chain L [auth A] mmCIF format, chain KB [auth B] mmCIF format, chain K [auth A] mmCIF format, chain JB [auth B] mmCIF format, chain IB [auth B] mmCIF format, chain I [auth A] mmCIF format, chain HB [auth B] mmCIF format, chain GB [auth B] mmCIF format, chain G [auth A] mmCIF format, chain FA [auth A] mmCIF format, chain F [auth A] mmCIF format, chain E [auth A] mmCIF format, chain DA [auth A] mmCIF format, chain AA [auth A]	AA [auth A] BA [auth A] BB [auth B] CA [auth A] DA [auth A] AA [auth A], BA [auth A], BB [auth B], CA [auth A], DA [auth A], E [auth A], EA [auth A], F [auth A], FA [auth A], G [auth A], GA [auth A], GB [auth B], H [auth A], HB [auth B], I [auth A], IA [auth A], IB [auth B], J [auth A], JB [auth B], K [auth A], KB [auth B], L [auth A], LB [auth B], M [auth A], N [auth A], NA [auth B], NB [auth B], O [auth A], OB [auth B], P [auth A], PB [auth B], QA [auth B], QB [auth B], RA [auth B], S [auth A], SA [auth B], T [auth A], TA [auth B], U [auth A], UA [auth B], V [auth A], VA [auth B], W [auth A], WA [auth B], X [auth A], XA [auth B], YA [auth B], Z [auth A]	1,2-ETHANEDIOL C₂ H₆ O₂ LYCAIKOWRPUZTN-UHFFFAOYSA-N		Interactions Focus chain AA [auth A] Focus chain BA [auth A] Focus chain BB [auth B] Focus chain CA [auth A] Focus chain DA [auth A] Focus chain E [auth A] Focus chain EA [auth A] Focus chain F [auth A] Focus chain FA [auth A] Focus chain G [auth A] Focus chain GA [auth A] Focus chain GB [auth B] Focus chain H [auth A] Focus chain HB [auth B] Focus chain I [auth A] Focus chain IA [auth A] Focus chain IB [auth B] Focus chain J [auth A] Focus chain JB [auth B] Focus chain K [auth A] Focus chain KB [auth B] Focus chain L [auth A] Focus chain LB [auth B] Focus chain M [auth A] Focus chain N [auth A] Focus chain NA [auth B] Focus chain NB [auth B] Focus chain O [auth A] Focus chain OB [auth B] Focus chain P [auth A] Focus chain PB [auth B] Focus chain QA [auth B] Focus chain QB [auth B] Focus chain RA [auth B] Focus chain S [auth A] Focus chain SA [auth B] Focus chain T [auth A] Focus chain TA [auth B] Focus chain U [auth A] Focus chain UA [auth B] Focus chain V [auth A] Focus chain VA [auth B] Focus chain W [auth A] Focus chain WA [auth B] Focus chain X [auth A] Focus chain XA [auth B] Focus chain YA [auth B] Focus chain Z [auth A] Interactions & Density Focus chain AA [auth A] Focus chain BA [auth A] Focus chain BB [auth B] Focus chain CA [auth A] Focus chain DA [auth A] Focus chain E [auth A] Focus chain EA [auth A] Focus chain F [auth A] Focus chain FA [auth A] Focus chain G [auth A] Focus chain GA [auth A] Focus chain GB [auth B] Focus chain H [auth A] Focus chain HB [auth B] Focus chain I [auth A] Focus chain IA [auth A] Focus chain IB [auth B] Focus chain J [auth A] Focus chain JB [auth B] Focus chain K [auth A] Focus chain KB [auth B] Focus chain L [auth A] Focus chain LB [auth B] Focus chain M [auth A] Focus chain N [auth A] Focus chain NA [auth B] Focus chain NB [auth B] Focus chain O [auth A] Focus chain OB [auth B] Focus chain P [auth A] Focus chain PB [auth B] Focus chain QA [auth B] Focus chain QB [auth B] Focus chain RA [auth B] Focus chain S [auth A] Focus chain SA [auth B] Focus chain T [auth A] Focus chain TA [auth B] Focus chain U [auth A] Focus chain UA [auth B] Focus chain V [auth A] Focus chain VA [auth B] Focus chain W [auth A] Focus chain WA [auth B] Focus chain X [auth A] Focus chain XA [auth B] Focus chain YA [auth B] Focus chain Z [auth A]
CL Query on CL Download:Ideal Coordinates CCD File SDF format, chain RB [auth B] SDF format, chain JA [auth A] MOL2 format, chain RB [auth B] MOL2 format, chain JA [auth A] mmCIF format, chain RB [auth B] mmCIF format, chain JA [auth A]	JA [auth A], RB [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain JA [auth A] Focus chain RB [auth B] Interactions & Density Focus chain JA [auth A] Focus chain RB [auth B]
MG Query on MG Download:Ideal Coordinates CCD File SDF format, chain KA [auth A] SDF format, chain LA [auth A] SDF format, chain MA [auth A] MOL2 format, chain KA [auth A] MOL2 format, chain LA [auth A] MOL2 format, chain MA [auth A] mmCIF format, chain KA [auth A] mmCIF format, chain LA [auth A] mmCIF format, chain MA [auth A]	KA [auth A], LA [auth A], MA [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N		Interactions Focus chain KA [auth A] Focus chain LA [auth A] Focus chain MA [auth A] Interactions & Density Focus chain KA [auth A] Focus chain LA [auth A] Focus chain MA [auth A]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.30 Å
R-Value Free: 0.239 (Depositor), 0.240 (DCC)
R-Value Work: 0.199 (Depositor), 0.200 (DCC)
R-Value Observed: 0.201 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.292	α = 90
b = 101.319	β = 90
c = 121.421	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
CrysalisPro	data reduction
Aimless	data scaling
PHENIX	phasing

Structure Validation

View Full Validation Report

Ligand Structure Quality Assessment

View more in-depth experimental data

Entry History

& Funding Information

Deposition Data

Released Date: 2026-04-22

Deposition Author(s):

Gering, H.E.

Makris, T.M.

Phan, H.N.

Funding Organization	Location	Grant Number
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM135315
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)	United States	GM127588