8KDU

Crystal structure of trypsin with its substrate

PDB DOI: https://doi.org/10.2210/pdb8KDU/pdb

Classification: HYDROLASE
Organism(s): Bos taurus
Mutation(s): No

Deposited: 2023-08-10 Released: 2024-08-14
Deposition Author(s): Akbar, Z., Ahmad, M.S.
Funding Organization(s): Not funded

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.30 Å
R-Value Free: 0.198
R-Value Work: 0.146
R-Value Observed: 0.148

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Ligand Structure Quality Assessment

This is version 1.2 of the entry. See complete history.

Literature

Crystal structure of the Michaelis complex of trypsin with N-alpha-benzoyl-l-arginine ethyl ester

Akbar, Z., Ahmad, M.S.

(2024) J Chin Chem Soc n/a

DOI: https://doi.org/10.1002/jccs.202400214

Macromolecule Content

Total Structure Weight: 24.58 kDa
Atom Count: 1,898
Modelled Residue Count: 223
Deposited Residue Count: 223
Unique protein chains: 1

Macromolecules

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(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Cationic trypsin	A	223	Bos taurus	Mutation(s): 0 EC: 3.4.21.4
UniProt
Find proteins for P00760 (Bos taurus) Explore P00760 Go to UniProtKB: P00760
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00760
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 9 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
I4Q (Subject of Investigation/LOI) Query on I4Q Download Ideal Coordinates CCD File SDF format, chain B [auth A] MOL2 format, chain B [auth A] mmCIF format, chain B [auth A]	B [auth A]	ethyl (2~{S})-2-benzamido-5-carbamimidamido-pentanoate C₁₅ H₂₂ N₄ O₃ YQDHCCVUYCIGSW-LBPRGKRZSA-N		Interactions Focus chain B [auth A] Interactions & Density Focus chain B [auth A]
JNR (Subject of Investigation/LOI) Query on JNR Download Ideal Coordinates CCD File SDF format, chain C [auth A] MOL2 format, chain C [auth A] mmCIF format, chain C [auth A]	C [auth A]	(2~{R})-2-benzamido-5-carbamimidamido-pentanoic acid C₁₃ H₁₈ N₄ O₃ RSYYQCDERUOEFI-SNVBAGLBSA-N		Interactions Focus chain C [auth A] Interactions & Density Focus chain C [auth A]
ARG Query on ARG Download Ideal Coordinates CCD File SDF format, chain D [auth A] MOL2 format, chain D [auth A] mmCIF format, chain D [auth A]	D [auth A]	ARGININE C₆ H₁₅ N₄ O₂ ODKSFYDXXFIFQN-BYPYZUCNSA-O		Interactions Focus chain D [auth A] Interactions & Density Focus chain D [auth A]
PEG Query on PEG Download Ideal Coordinates CCD File SDF format, chain K [auth A] MOL2 format, chain K [auth A] mmCIF format, chain K [auth A]	K [auth A]	DI(HYDROXYETHYL)ETHER C₄ H₁₀ O₃ MTHSVFCYNBDYFN-UHFFFAOYSA-N		Interactions Focus chain K [auth A] Interactions & Density Focus chain K [auth A]
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain F [auth A] MOL2 format, chain F [auth A] mmCIF format, chain F [auth A]	F [auth A]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain F [auth A] Interactions & Density Focus chain F [auth A]
GAI Query on GAI Download Ideal Coordinates CCD File SDF format, chain E [auth A] MOL2 format, chain E [auth A] mmCIF format, chain E [auth A]	E [auth A]	GUANIDINE C H₅ N₃ ZRALSGWEFCBTJO-UHFFFAOYSA-N		Interactions Focus chain E [auth A] Interactions & Density Focus chain E [auth A]
EOH Query on EOH Download Ideal Coordinates CCD File SDF format, chain L [auth A] SDF format, chain M [auth A] MOL2 format, chain L [auth A] MOL2 format, chain M [auth A] mmCIF format, chain L [auth A] mmCIF format, chain M [auth A]	L [auth A], M [auth A]	ETHANOL C₂ H₆ O LFQSCWFLJHTTHZ-UHFFFAOYSA-N		Interactions Focus chain L [auth A] Focus chain M [auth A] Interactions & Density Focus chain L [auth A] Focus chain M [auth A]
CA Query on CA Download Ideal Coordinates CCD File SDF format, chain G [auth A] MOL2 format, chain G [auth A] mmCIF format, chain G [auth A]	G [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N		Interactions Focus chain G [auth A] Interactions & Density Focus chain G [auth A]
CL Query on CL Download Ideal Coordinates CCD File SDF format, chain H [auth A] SDF format, chain I [auth A] SDF format, chain J [auth A] MOL2 format, chain H [auth A] MOL2 format, chain I [auth A] MOL2 format, chain J [auth A] mmCIF format, chain H [auth A] mmCIF format, chain I [auth A] mmCIF format, chain J [auth A]	H [auth A], I [auth A], J [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M		Interactions Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A] Interactions & Density Focus chain H [auth A] Focus chain I [auth A] Focus chain J [auth A]