1GHB | pdb_00001ghb

A SECOND ACTIVE SITE IN CHYMOTRYPSIN? THE X-RAY CRYSTAL STRUCTURE OF N-ACETYL-D-TRYPTOPHAN BOUND TO GAMMA-CHYMOTRYPSIN

PDB DOI: https://doi.org/10.2210/pdb1GHB/pdb

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

Deposited: 1994-04-06 Released: 1994-06-22
Deposition Author(s): Yennawar, H.P., Yennawar, N.H., Farber, G.K.

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.00 Å
R-Value Work:
0.152 (Depositor)
R-Value Observed:
0.152 (Depositor)

wwPDB Validation 3D Report Full Report

This is version 1.3 of the entry. See complete history.

Literature

A STRUCTURAL EXPLANATION FOR ENZYME MEMORY IN NONAQUEOUS SOLVENTS.

Yennawar, H.P., Yennawar, N.H., Farber, G.K.

(1995) J Am Chem Soc 117: 577-585

Macromolecule Content

Total Structure Weight: 26.37 kDa
Atom Count: 2,123
Modeled Residue Count: 240
Deposited Residue Count: 244
Unique protein chains: 4

Macromolecules

Find similar proteins by: Sequence | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GAMMA-CHYMOTRYPSIN	A [auth E]	13	Bos taurus	Mutation(s): 0 EC: 3.4.21.1
UniProt
Find proteins for P00766 (Bos taurus) Explore P00766 Go to UniProtKB: P00766
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00766
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GAMMA-CHYMOTRYPSIN	B [auth F]	131	Bos taurus	Mutation(s): 0 EC: 3.4.21.1
UniProt
Find proteins for P00766 (Bos taurus) Explore P00766 Go to UniProtKB: P00766
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00766
Sequence Annotations Expand
Reference Sequence

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
GAMMA-CHYMOTRYPSIN	C [auth G]	97	Bos taurus	Mutation(s): 0 EC: 3.4.21.1
UniProt
Find proteins for P00766 (Bos taurus) Explore P00766 Go to UniProtKB: P00766
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	P00766
Sequence Annotations Expand
Reference Sequence

Find similar proteins by: Sequence | 3D Structure

Entity ID: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
PRO-GLY-ALA	D [auth P]	3	N/A	Mutation(s): 0
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
TRP Query on TRP Download Ideal Coordinates CCD File SDF format, chain F [auth E] MOL2 format, chain F [auth E] mmCIF format, chain F [auth E]	F [auth E]	TRYPTOPHAN C₁₁ H₁₂ N₂ O₂ QIVBCDIJIAJPQS-VIFPVBQESA-N		Interactions Focus chain F [auth E]
HEX Query on HEX Download Ideal Coordinates CCD File SDF format, chain L [auth G] SDF format, chain J [auth F] SDF format, chain I [auth F] SDF format, chain H [auth E] SDF format, chain G [auth E] MOL2 format, chain L [auth G] MOL2 format, chain J [auth F] MOL2 format, chain I [auth F] MOL2 format, chain H [auth E] MOL2 format, chain G [auth E] mmCIF format, chain L [auth G] mmCIF format, chain J [auth F] mmCIF format, chain I [auth F] mmCIF format, chain H [auth E] mmCIF format, chain G [auth E]	G [auth E], H [auth E], I [auth F], J [auth F], L [auth G]	HEXANE C₆ H₁₄ VLKZOEOYAKHREP-UHFFFAOYSA-N		Interactions Focus chain G [auth E] Focus chain H [auth E] Focus chain I [auth F] Focus chain J [auth F] Focus chain L [auth G]
IPA Query on IPA Download Ideal Coordinates CCD File SDF format, chain N [auth G] SDF format, chain M [auth G] SDF format, chain K [auth F] MOL2 format, chain N [auth G] MOL2 format, chain M [auth G] MOL2 format, chain K [auth F] mmCIF format, chain N [auth G] mmCIF format, chain M [auth G] mmCIF format, chain K [auth F]	K [auth F], M [auth G], N [auth G]	ISOPROPYL ALCOHOL C₃ H₈ O KFZMGEQAYNKOFK-UHFFFAOYSA-N		Interactions Focus chain K [auth F] Focus chain M [auth G] Focus chain N [auth G]
ACE Query on ACE Download Ideal Coordinates CCD File SDF format, chain E MOL2 format, chain E mmCIF format, chain E	E	ACETYL GROUP C₂ H₄ O IKHGUXGNUITLKF-UHFFFAOYSA-N		Interactions Focus chain E

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.00 Å
R-Value Work: 0.152 (Depositor)
R-Value Observed: 0.152 (Depositor)

Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.6	α = 90
b = 69.6	β = 90
c = 97.51	γ = 90

Software Package:

Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

View Full Validation Report

Entry History

Deposition Data

Released Date: 1994-06-22

Deposition Author(s):

Yennawar, H.P.

Yennawar, N.H.

Farber, G.K.

Revision History (Full details and data files)

Version 1.0: 1994-06-22
Type: Initial release
Version 1.1: 2008-03-06
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Atomic model, Database references, Derived calculations, Non-polymer description, Structure summary, Version format compliance
Version 1.3: 2024-06-05
Changes: Data collection, Database references, Derived calculations, Other